diff --git a/InvenTree/locale/es/LC_MESSAGES/django.po b/InvenTree/locale/es/LC_MESSAGES/django.po
index 602da976f2..7e03535b3c 100644
--- a/InvenTree/locale/es/LC_MESSAGES/django.po
+++ b/InvenTree/locale/es/LC_MESSAGES/django.po
@@ -2,8 +2,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: inventree\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-07-21 05:27+0000\n"
-"PO-Revision-Date: 2021-07-21 05:31\n"
+"POT-Creation-Date: 2021-07-21 11:51+0000\n"
+"PO-Revision-Date: 2021-07-21 11:56\n"
 "Last-Translator: \n"
 "Language-Team: Spanish\n"
 "Language: es_ES\n"
@@ -36,7 +36,7 @@ msgstr "Ingrese la fecha"
 #: InvenTree/forms.py:112 build/forms.py:102 build/forms.py:123
 #: build/forms.py:145 build/forms.py:169 build/forms.py:185 build/forms.py:227
 #: order/forms.py:30 order/forms.py:41 order/forms.py:52 order/forms.py:63
-#: order/forms.py:74 part/forms.py:109 templates/js/forms.js:520
+#: order/forms.py:74 part/forms.py:109 templates/js/forms.js:526
 msgid "Confirm"
 msgstr "Confirmar"
 
@@ -106,7 +106,7 @@ msgstr "Numeros de serie no encontrados"
 msgid "Number of unique serial number ({s}) must match quantity ({q})"
 msgstr ""
 
-#: InvenTree/models.py:61 stock/models.py:1804
+#: InvenTree/models.py:61 stock/models.py:1815
 msgid "Attachment"
 msgstr ""
 
@@ -122,7 +122,7 @@ msgstr "Comentario"
 msgid "File comment"
 msgstr ""
 
-#: InvenTree/models.py:70 InvenTree/models.py:71 part/models.py:2063
+#: InvenTree/models.py:70 InvenTree/models.py:71 part/models.py:2080
 #: report/templates/report/inventree_test_report_base.html:91
 #: templates/js/stock.js:1538
 msgid "User"
@@ -132,12 +132,12 @@ msgstr "Usuario"
 msgid "upload date"
 msgstr ""
 
-#: InvenTree/models.py:102
+#: InvenTree/models.py:113
 msgid "Invalid choice"
 msgstr ""
 
-#: InvenTree/models.py:118 InvenTree/models.py:119 company/models.py:412
-#: label/models.py:112 part/models.py:701 part/models.py:2212
+#: InvenTree/models.py:129 InvenTree/models.py:130 company/models.py:412
+#: label/models.py:112 part/models.py:718 part/models.py:2229
 #: report/models.py:181 templates/InvenTree/search.html:137
 #: templates/InvenTree/search.html:289 templates/js/company.js:545
 #: templates/js/part.js:206 templates/js/part.js:339 templates/js/part.js:831
@@ -145,12 +145,12 @@ msgstr ""
 msgid "Name"
 msgstr "Nombre"
 
-#: InvenTree/models.py:125 build/models.py:179
+#: InvenTree/models.py:136 build/models.py:187
 #: build/templates/build/detail.html:24 company/models.py:351
 #: company/models.py:519 company/templates/company/manufacturer_part.html:76
 #: company/templates/company/supplier_part.html:75 label/models.py:119
 #: order/models.py:158 order/templates/order/purchase_order_detail.html:312
-#: part/models.py:724 part/templates/part/set_category.html:14
+#: part/models.py:741 part/templates/part/set_category.html:14
 #: report/models.py:194 report/models.py:551 report/models.py:590
 #: report/templates/report/inventree_build_order_base.html:118
 #: templates/InvenTree/search.html:144 templates/InvenTree/search.html:224
@@ -166,15 +166,15 @@ msgstr "Nombre"
 msgid "Description"
 msgstr "Descripción"
 
-#: InvenTree/models.py:126
+#: InvenTree/models.py:137
 msgid "Description (optional)"
 msgstr ""
 
-#: InvenTree/models.py:134
+#: InvenTree/models.py:145
 msgid "parent"
 msgstr ""
 
-#: InvenTree/serializers.py:52 part/models.py:2448
+#: InvenTree/serializers.py:52 part/models.py:2465
 msgid "Must be a valid number"
 msgstr ""
 
@@ -461,11 +461,11 @@ msgstr ""
 msgid "Target Date"
 msgstr ""
 
-#: build/forms.py:43 build/models.py:269
+#: build/forms.py:43 build/models.py:277
 msgid "Target date for build completion. Build will be overdue after this date."
 msgstr ""
 
-#: build/forms.py:48 build/forms.py:90 build/forms.py:266 build/models.py:1394
+#: build/forms.py:48 build/forms.py:90 build/forms.py:266 build/models.py:1402
 #: build/templates/build/allocation_card.html:23
 #: build/templates/build/auto_allocate.html:17
 #: build/templates/build/build_base.html:133
@@ -479,7 +479,7 @@ msgstr ""
 #: order/templates/order/sales_order_detail.html:207
 #: order/templates/order/sales_order_detail.html:292
 #: order/templates/order/sales_order_detail.html:364 part/forms.py:323
-#: part/forms.py:353 part/forms.py:369 part/forms.py:385 part/models.py:2350
+#: part/forms.py:353 part/forms.py:369 part/forms.py:385 part/models.py:2367
 #: part/templates/part/bom_upload/match_parts.html:31
 #: part/templates/part/detail.html:939 part/templates/part/detail.html:1025
 #: part/templates/part/part_pricing.html:16
@@ -588,18 +588,18 @@ msgstr ""
 msgid "Select quantity of stock to allocate"
 msgstr ""
 
-#: build/models.py:105
+#: build/models.py:113
 msgid "Invalid choice for parent build"
 msgstr ""
 
-#: build/models.py:109 build/templates/build/build_base.html:9
+#: build/models.py:117 build/templates/build/build_base.html:9
 #: build/templates/build/build_base.html:73
 #: report/templates/report/inventree_build_order_base.html:106
 #: templates/js/build.js:233
 msgid "Build Order"
 msgstr ""
 
-#: build/models.py:110 build/templates/build/index.html:8
+#: build/models.py:118 build/templates/build/index.html:8
 #: build/templates/build/index.html:15
 #: order/templates/order/sales_order_detail.html:34
 #: order/templates/order/so_navbar.html:19
@@ -610,13 +610,13 @@ msgstr ""
 msgid "Build Orders"
 msgstr ""
 
-#: build/models.py:170
+#: build/models.py:178
 msgid "Build Order Reference"
 msgstr ""
 
-#: build/models.py:171 order/models.py:246 order/models.py:533
+#: build/models.py:179 order/models.py:246 order/models.py:533
 #: order/models.py:713 order/templates/order/purchase_order_detail.html:343
-#: order/templates/order/sales_order_detail.html:359 part/models.py:2359
+#: order/templates/order/sales_order_detail.html:359 part/models.py:2376
 #: part/templates/part/bom_upload/match_parts.html:30
 #: report/templates/report/inventree_po_report.html:92
 #: report/templates/report/inventree_so_report.html:92 templates/js/bom.js:197
@@ -624,30 +624,30 @@ msgstr ""
 msgid "Reference"
 msgstr "Referencia"
 
-#: build/models.py:182
+#: build/models.py:190
 msgid "Brief description of the build"
 msgstr ""
 
-#: build/models.py:191 build/templates/build/build_base.html:163
+#: build/models.py:199 build/templates/build/build_base.html:163
 #: build/templates/build/detail.html:80
 msgid "Parent Build"
 msgstr ""
 
-#: build/models.py:192
+#: build/models.py:200
 msgid "BuildOrder to which this build is allocated"
 msgstr ""
 
-#: build/models.py:197 build/templates/build/auto_allocate.html:16
+#: build/models.py:205 build/templates/build/auto_allocate.html:16
 #: build/templates/build/build_base.html:128
 #: build/templates/build/detail.html:29 company/models.py:654
 #: order/models.py:766 order/models.py:825
 #: order/templates/order/order_wizard/select_parts.html:32
 #: order/templates/order/purchase_order_detail.html:297
 #: order/templates/order/receive_parts.html:19
-#: order/templates/order/sales_order_detail.html:344 part/models.py:346
-#: part/models.py:2008 part/models.py:2024 part/models.py:2043
-#: part/models.py:2061 part/models.py:2140 part/models.py:2244
-#: part/models.py:2334 part/templates/part/detail.html:199
+#: order/templates/order/sales_order_detail.html:344 part/models.py:347
+#: part/models.py:2025 part/models.py:2041 part/models.py:2060
+#: part/models.py:2078 part/models.py:2157 part/models.py:2261
+#: part/models.py:2351 part/templates/part/detail.html:199
 #: part/templates/part/part_app_base.html:8
 #: part/templates/part/part_pricing.html:12
 #: part/templates/part/set_category.html:13
@@ -664,116 +664,116 @@ msgstr ""
 msgid "Part"
 msgstr "Parte"
 
-#: build/models.py:205
+#: build/models.py:213
 msgid "Select part to build"
 msgstr ""
 
-#: build/models.py:210
+#: build/models.py:218
 msgid "Sales Order Reference"
 msgstr ""
 
-#: build/models.py:214
+#: build/models.py:222
 msgid "SalesOrder to which this build is allocated"
 msgstr ""
 
-#: build/models.py:219
+#: build/models.py:227
 msgid "Source Location"
 msgstr ""
 
-#: build/models.py:223
+#: build/models.py:231
 msgid "Select location to take stock from for this build (leave blank to take from any stock location)"
 msgstr ""
 
-#: build/models.py:228
+#: build/models.py:236
 msgid "Destination Location"
 msgstr ""
 
-#: build/models.py:232
+#: build/models.py:240
 msgid "Select location where the completed items will be stored"
 msgstr ""
 
-#: build/models.py:236
+#: build/models.py:244
 msgid "Build Quantity"
 msgstr ""
 
-#: build/models.py:239
+#: build/models.py:247
 msgid "Number of stock items to build"
 msgstr ""
 
-#: build/models.py:243
+#: build/models.py:251
 msgid "Completed items"
 msgstr "Elementos completados"
 
-#: build/models.py:245
+#: build/models.py:253
 msgid "Number of stock items which have been completed"
 msgstr ""
 
-#: build/models.py:249 part/templates/part/part_base.html:225
+#: build/models.py:257 part/templates/part/part_base.html:225
 msgid "Build Status"
 msgstr ""
 
-#: build/models.py:253
+#: build/models.py:261
 msgid "Build status code"
 msgstr ""
 
-#: build/models.py:257 stock/models.py:496
+#: build/models.py:265 stock/models.py:507
 msgid "Batch Code"
 msgstr ""
 
-#: build/models.py:261
+#: build/models.py:269
 msgid "Batch code for this build output"
 msgstr ""
 
-#: build/models.py:264 order/models.py:162 part/models.py:896
+#: build/models.py:272 order/models.py:162 part/models.py:913
 #: part/templates/part/part_base.html:143 templates/js/order.js:362
 msgid "Creation Date"
 msgstr ""
 
-#: build/models.py:268 order/models.py:555
+#: build/models.py:276 order/models.py:555
 msgid "Target completion date"
 msgstr ""
 
-#: build/models.py:272 order/models.py:288 templates/js/build.js:950
+#: build/models.py:280 order/models.py:288 templates/js/build.js:950
 msgid "Completion Date"
 msgstr ""
 
-#: build/models.py:278
+#: build/models.py:286
 msgid "completed by"
 msgstr ""
 
-#: build/models.py:286 templates/js/build.js:915
+#: build/models.py:294 templates/js/build.js:915
 msgid "Issued by"
 msgstr ""
 
-#: build/models.py:287
+#: build/models.py:295
 msgid "User who issued this build order"
 msgstr ""
 
-#: build/models.py:295 build/templates/build/build_base.html:184
+#: build/models.py:303 build/templates/build/build_base.html:184
 #: build/templates/build/detail.html:108 order/models.py:176
 #: order/templates/order/order_base.html:138
-#: order/templates/order/sales_order_base.html:140 part/models.py:900
+#: order/templates/order/sales_order_base.html:140 part/models.py:917
 #: report/templates/report/inventree_build_order_base.html:159
 msgid "Responsible"
 msgstr "Responsable"
 
-#: build/models.py:296
+#: build/models.py:304
 msgid "User responsible for this build order"
 msgstr ""
 
-#: build/models.py:301 build/templates/build/detail.html:94
+#: build/models.py:309 build/templates/build/detail.html:94
 #: company/templates/company/manufacturer_part.html:83
 #: company/templates/company/supplier_part.html:82
-#: part/templates/part/part_base.html:137 stock/models.py:490
+#: part/templates/part/part_base.html:137 stock/models.py:501
 #: stock/templates/stock/item_base.html:357
 msgid "External Link"
 msgstr ""
 
-#: build/models.py:302 part/models.py:758 stock/models.py:492
+#: build/models.py:310 part/models.py:775 stock/models.py:503
 msgid "Link to external URL"
 msgstr ""
 
-#: build/models.py:306 build/templates/build/navbar.html:52
+#: build/models.py:314 build/templates/build/navbar.html:52
 #: company/models.py:139 company/models.py:526
 #: company/templates/company/navbar.html:63
 #: company/templates/company/navbar.html:66 order/models.py:180
@@ -782,12 +782,12 @@ msgstr ""
 #: order/templates/order/purchase_order_detail.html:419
 #: order/templates/order/sales_order_detail.html:439
 #: order/templates/order/so_navbar.html:33
-#: order/templates/order/so_navbar.html:36 part/models.py:885
+#: order/templates/order/so_navbar.html:36 part/models.py:902
 #: part/templates/part/detail.html:105 part/templates/part/navbar.html:108
 #: part/templates/part/navbar.html:111
 #: report/templates/report/inventree_build_order_base.html:173
-#: stock/forms.py:139 stock/forms.py:256 stock/forms.py:288 stock/models.py:562
-#: stock/models.py:1704 stock/models.py:1810
+#: stock/forms.py:139 stock/forms.py:256 stock/forms.py:288 stock/models.py:573
+#: stock/models.py:1715 stock/models.py:1821
 #: stock/templates/stock/navbar.html:57 templates/js/barcode.js:37
 #: templates/js/bom.js:349 templates/js/company.js:746
 #: templates/js/stock.js:258 templates/js/stock.js:499
@@ -795,63 +795,63 @@ msgstr ""
 msgid "Notes"
 msgstr "Notas"
 
-#: build/models.py:307
+#: build/models.py:315
 msgid "Extra build notes"
 msgstr ""
 
-#: build/models.py:784
+#: build/models.py:792
 msgid "No build output specified"
 msgstr ""
 
-#: build/models.py:787
+#: build/models.py:795
 msgid "Build output is already completed"
 msgstr ""
 
-#: build/models.py:790
+#: build/models.py:798
 msgid "Build output does not match Build Order"
 msgstr ""
 
-#: build/models.py:1200
+#: build/models.py:1208
 msgid "BuildItem must be unique for build, stock_item and install_into"
 msgstr ""
 
-#: build/models.py:1225
+#: build/models.py:1233
 msgid "Build item must specify a build output, as master part is marked as trackable"
 msgstr ""
 
-#: build/models.py:1229
+#: build/models.py:1237
 #, python-brace-format
 msgid "Allocated quantity ({n}) must not exceed available quantity ({q})"
 msgstr ""
 
-#: build/models.py:1236 order/models.py:926
+#: build/models.py:1244 order/models.py:926
 msgid "StockItem is over-allocated"
 msgstr ""
 
-#: build/models.py:1240 order/models.py:929
+#: build/models.py:1248 order/models.py:929
 msgid "Allocation quantity must be greater than zero"
 msgstr ""
 
-#: build/models.py:1244
+#: build/models.py:1252
 msgid "Quantity must be 1 for serialized stock"
 msgstr ""
 
-#: build/models.py:1304
+#: build/models.py:1312
 #, python-brace-format
 msgid "Selected stock item not found in BOM for part '{p}'"
 msgstr ""
 
-#: build/models.py:1364 stock/templates/stock/item_base.html:329
+#: build/models.py:1372 stock/templates/stock/item_base.html:329
 #: templates/InvenTree/search.html:183 templates/js/build.js:846
 #: templates/navbar.html:29
 msgid "Build"
 msgstr ""
 
-#: build/models.py:1365
+#: build/models.py:1373
 msgid "Build to allocate parts"
 msgstr ""
 
-#: build/models.py:1381 stock/templates/stock/item_base.html:8
+#: build/models.py:1389 stock/templates/stock/item_base.html:8
 #: stock/templates/stock/item_base.html:31
 #: stock/templates/stock/item_base.html:351
 #: stock/templates/stock/stock_adjust.html:16 templates/js/build.js:244
@@ -861,19 +861,19 @@ msgstr ""
 msgid "Stock Item"
 msgstr ""
 
-#: build/models.py:1382
+#: build/models.py:1390
 msgid "Source stock item"
 msgstr ""
 
-#: build/models.py:1395
+#: build/models.py:1403
 msgid "Stock quantity to allocate to build"
 msgstr ""
 
-#: build/models.py:1403
+#: build/models.py:1411
 msgid "Install into"
 msgstr ""
 
-#: build/models.py:1404
+#: build/models.py:1412
 msgid "Destination stock item"
 msgstr ""
 
@@ -882,7 +882,7 @@ msgstr ""
 #: order/templates/order/sales_order_detail.html:205
 #: order/templates/order/sales_order_detail.html:290
 #: report/templates/report/inventree_test_report_base.html:75
-#: stock/models.py:484 stock/templates/stock/item_base.html:249
+#: stock/models.py:495 stock/templates/stock/item_base.html:249
 #: templates/js/build.js:604 templates/js/model_renderers.js:54
 msgid "Serial Number"
 msgstr "Número de serie"
@@ -1609,7 +1609,7 @@ msgstr ""
 msgid "Number of recent parts to display on index page"
 msgstr ""
 
-#: common/models.py:158 part/models.py:2246 report/models.py:187
+#: common/models.py:158 part/models.py:2263 report/models.py:187
 #: stock/forms.py:225 templates/js/table_filters.js:25
 #: templates/js/table_filters.js:324
 msgid "Template"
@@ -1619,7 +1619,7 @@ msgstr ""
 msgid "Parts are templates by default"
 msgstr ""
 
-#: common/models.py:165 part/models.py:848 templates/js/table_filters.js:132
+#: common/models.py:165 part/models.py:865 templates/js/table_filters.js:132
 #: templates/js/table_filters.js:336
 msgid "Assembly"
 msgstr ""
@@ -1628,7 +1628,7 @@ msgstr ""
 msgid "Parts can be assembled from other components by default"
 msgstr ""
 
-#: common/models.py:172 part/models.py:854 templates/js/table_filters.js:340
+#: common/models.py:172 part/models.py:871 templates/js/table_filters.js:340
 msgid "Component"
 msgstr ""
 
@@ -1636,7 +1636,7 @@ msgstr ""
 msgid "Parts can be used as sub-components by default"
 msgstr ""
 
-#: common/models.py:179 part/models.py:865
+#: common/models.py:179 part/models.py:882
 msgid "Purchaseable"
 msgstr ""
 
@@ -1644,7 +1644,7 @@ msgstr ""
 msgid "Parts are purchaseable by default"
 msgstr ""
 
-#: common/models.py:186 part/models.py:870 templates/js/table_filters.js:348
+#: common/models.py:186 part/models.py:887 templates/js/table_filters.js:348
 msgid "Salable"
 msgstr ""
 
@@ -1652,7 +1652,7 @@ msgstr ""
 msgid "Parts are salable by default"
 msgstr ""
 
-#: common/models.py:193 part/models.py:860 templates/js/table_filters.js:33
+#: common/models.py:193 part/models.py:877 templates/js/table_filters.js:33
 #: templates/js/table_filters.js:352
 msgid "Trackable"
 msgstr ""
@@ -1661,7 +1661,7 @@ msgstr ""
 msgid "Parts are trackable by default"
 msgstr ""
 
-#: common/models.py:200 part/models.py:880 templates/js/table_filters.js:29
+#: common/models.py:200 part/models.py:897 templates/js/table_filters.js:29
 msgid "Virtual"
 msgstr ""
 
@@ -2006,7 +2006,7 @@ msgid "Point of contact"
 msgstr ""
 
 #: company/models.py:128 company/models.py:345 company/models.py:513
-#: order/models.py:160 part/models.py:757
+#: order/models.py:160 part/models.py:774
 #: report/templates/report/inventree_build_order_base.html:165
 #: templates/js/company.js:448 templates/js/company.js:730
 #: templates/js/part.js:687
@@ -2017,7 +2017,7 @@ msgstr ""
 msgid "Link to external company information"
 msgstr ""
 
-#: company/models.py:136 part/models.py:767
+#: company/models.py:136 part/models.py:784
 msgid "Image"
 msgstr ""
 
@@ -2054,7 +2054,7 @@ msgstr ""
 msgid "Default currency used for this company"
 msgstr ""
 
-#: company/models.py:317 company/models.py:484 stock/models.py:437
+#: company/models.py:317 company/models.py:484 stock/models.py:448
 #: stock/templates/stock/item_base.html:235
 msgid "Base Part"
 msgstr ""
@@ -2108,7 +2108,7 @@ msgstr ""
 
 #: company/models.py:419
 #: report/templates/report/inventree_test_report_base.html:90
-#: stock/models.py:1797 templates/InvenTree/settings/header.html:8
+#: stock/models.py:1808 templates/InvenTree/settings/header.html:8
 #: templates/js/company.js:551 templates/js/part.js:348
 #: templates/js/stock.js:495
 msgid "Value"
@@ -2118,7 +2118,7 @@ msgstr ""
 msgid "Parameter value"
 msgstr ""
 
-#: company/models.py:426 part/models.py:842 part/models.py:2214
+#: company/models.py:426 part/models.py:859 part/models.py:2231
 #: templates/js/company.js:557 templates/js/part.js:354
 msgid "Units"
 msgstr ""
@@ -2164,21 +2164,21 @@ msgid "Supplier part description"
 msgstr ""
 
 #: company/models.py:525 company/templates/company/supplier_part.html:120
-#: part/models.py:2362 report/templates/report/inventree_po_report.html:93
+#: part/models.py:2379 report/templates/report/inventree_po_report.html:93
 #: report/templates/report/inventree_so_report.html:93
 msgid "Note"
 msgstr "Nota"
 
-#: company/models.py:529 part/models.py:1635
+#: company/models.py:529 part/models.py:1652
 msgid "base cost"
 msgstr ""
 
-#: company/models.py:529 part/models.py:1635
+#: company/models.py:529 part/models.py:1652
 msgid "Minimum charge (e.g. stocking fee)"
 msgstr ""
 
 #: company/models.py:531 company/templates/company/supplier_part.html:113
-#: stock/models.py:461 stock/templates/stock/item_base.html:322
+#: stock/models.py:472 stock/templates/stock/item_base.html:322
 #: templates/js/company.js:751 templates/js/stock.js:1078
 msgid "Packaging"
 msgstr ""
@@ -2187,7 +2187,7 @@ msgstr ""
 msgid "Part packaging"
 msgstr ""
 
-#: company/models.py:533 part/models.py:1637
+#: company/models.py:533 part/models.py:1654
 msgid "multiple"
 msgstr ""
 
@@ -2245,8 +2245,8 @@ msgid "Phone"
 msgstr "Teléfono"
 
 #: company/templates/company/company_base.html:126 order/models.py:544
-#: order/templates/order/sales_order_base.html:94 stock/models.py:479
-#: stock/models.py:480 stock/templates/stock/item_base.html:274
+#: order/templates/order/sales_order_base.html:94 stock/models.py:490
+#: stock/models.py:491 stock/templates/stock/item_base.html:274
 #: templates/js/company.js:245 templates/js/order.js:331
 #: templates/js/stock.js:1456
 msgid "Customer"
@@ -2519,7 +2519,7 @@ msgid "Stock Items"
 msgstr ""
 
 #: company/templates/company/supplier_part.html:7
-#: company/templates/company/supplier_part.html:24 stock/models.py:446
+#: company/templates/company/supplier_part.html:24 stock/models.py:457
 #: stock/templates/stock/item_base.html:386 templates/js/company.js:691
 #: templates/js/stock.js:1050
 msgid "Supplier Part"
@@ -2801,7 +2801,7 @@ msgstr ""
 msgid "Date order was completed"
 msgstr ""
 
-#: order/models.py:313 stock/models.py:334 stock/models.py:1049
+#: order/models.py:313 stock/models.py:345 stock/models.py:1060
 msgid "Quantity must be greater than zero"
 msgstr ""
 
@@ -2888,7 +2888,7 @@ msgstr ""
 msgid "Number of items received"
 msgstr ""
 
-#: order/models.py:776 part/templates/part/prices.html:157 stock/models.py:571
+#: order/models.py:776 part/templates/part/prices.html:157 stock/models.py:582
 #: stock/templates/stock/item_base.html:343 templates/js/stock.js:1073
 msgid "Purchase Price"
 msgstr ""
@@ -3267,7 +3267,7 @@ msgid "Receive outstanding parts for <b>%(order)s</b> - <i>%(desc)s</i>"
 msgstr ""
 
 #: order/templates/order/receive_parts.html:14 part/api.py:47
-#: part/models.py:347 part/templates/part/cat_link.html:7
+#: part/models.py:348 part/templates/part/cat_link.html:7
 #: part/templates/part/category.html:108 part/templates/part/category.html:122
 #: part/templates/part/category_navbar.html:21
 #: part/templates/part/category_navbar.html:24
@@ -3587,7 +3587,7 @@ msgstr ""
 msgid "Updated {part} unit-price to {price} and quantity to {qty}"
 msgstr ""
 
-#: part/bom.py:133 part/models.py:73 part/models.py:776
+#: part/bom.py:133 part/models.py:74 part/models.py:793
 #: part/templates/part/category.html:75
 msgid "Default Location"
 msgstr ""
@@ -3652,7 +3652,7 @@ msgstr ""
 msgid "Include part supplier data in exported BOM"
 msgstr ""
 
-#: part/forms.py:97 part/models.py:2244
+#: part/forms.py:97 part/models.py:2261
 msgid "Parent Part"
 msgstr ""
 
@@ -3728,7 +3728,7 @@ msgstr ""
 msgid "Add parameter template to all categories"
 msgstr ""
 
-#: part/forms.py:325 part/models.py:2343
+#: part/forms.py:325 part/models.py:2360
 msgid "Sub part"
 msgstr ""
 
@@ -3736,370 +3736,374 @@ msgstr ""
 msgid "Input quantity for price calculation"
 msgstr ""
 
-#: part/models.py:74
+#: part/models.py:75
 msgid "Default location for parts in this category"
 msgstr ""
 
-#: part/models.py:77
+#: part/models.py:78
 msgid "Default keywords"
 msgstr ""
 
-#: part/models.py:77
+#: part/models.py:78
 msgid "Default keywords for parts in this category"
 msgstr ""
 
-#: part/models.py:87 part/models.py:2290
+#: part/models.py:88 part/models.py:2307
 #: part/templates/part/part_app_base.html:10
 msgid "Part Category"
 msgstr ""
 
-#: part/models.py:88 part/templates/part/category.html:32
+#: part/models.py:89 part/templates/part/category.html:32
 #: part/templates/part/category.html:103 templates/InvenTree/search.html:127
 #: templates/stats.html:84 users/models.py:40
 msgid "Part Categories"
 msgstr ""
 
-#: part/models.py:478 part/models.py:490
+#: part/models.py:433
+msgid "Invalid choice for parent part"
+msgstr ""
+
+#: part/models.py:495 part/models.py:507
 #, python-brace-format
 msgid "Part '{p1}' is  used in BOM for '{p2}' (recursive)"
 msgstr ""
 
-#: part/models.py:587
+#: part/models.py:604
 msgid "Next available serial numbers are"
 msgstr ""
 
-#: part/models.py:591
+#: part/models.py:608
 msgid "Next available serial number is"
 msgstr ""
 
-#: part/models.py:596
+#: part/models.py:613
 msgid "Most recent serial number is"
 msgstr ""
 
-#: part/models.py:675
+#: part/models.py:692
 msgid "Duplicate IPN not allowed in part settings"
 msgstr ""
 
-#: part/models.py:700
+#: part/models.py:717
 msgid "Part name"
 msgstr ""
 
-#: part/models.py:707
+#: part/models.py:724
 msgid "Is Template"
 msgstr ""
 
-#: part/models.py:708
+#: part/models.py:725
 msgid "Is this part a template part?"
 msgstr ""
 
-#: part/models.py:718
+#: part/models.py:735
 msgid "Is this part a variant of another part?"
 msgstr ""
 
-#: part/models.py:719
+#: part/models.py:736
 msgid "Variant Of"
 msgstr ""
 
-#: part/models.py:725
+#: part/models.py:742
 msgid "Part description"
 msgstr ""
 
-#: part/models.py:730 part/templates/part/category.html:82
+#: part/models.py:747 part/templates/part/category.html:82
 #: part/templates/part/part_base.html:130
 msgid "Keywords"
 msgstr ""
 
-#: part/models.py:731
+#: part/models.py:748
 msgid "Part keywords to improve visibility in search results"
 msgstr ""
 
-#: part/models.py:738 part/models.py:2289
+#: part/models.py:755 part/models.py:2306
 #: part/templates/part/set_category.html:15 templates/js/part.js:641
 msgid "Category"
 msgstr ""
 
-#: part/models.py:739
+#: part/models.py:756
 msgid "Part category"
 msgstr ""
 
-#: part/models.py:744 templates/js/part.js:257 templates/js/part.js:485
+#: part/models.py:761 templates/js/part.js:257 templates/js/part.js:485
 msgid "IPN"
 msgstr ""
 
-#: part/models.py:745
+#: part/models.py:762
 msgid "Internal Part Number"
 msgstr ""
 
-#: part/models.py:751
+#: part/models.py:768
 msgid "Part revision or version number"
 msgstr ""
 
-#: part/models.py:752 report/models.py:200 templates/js/part.js:261
+#: part/models.py:769 report/models.py:200 templates/js/part.js:261
 msgid "Revision"
 msgstr ""
 
-#: part/models.py:774
+#: part/models.py:791
 msgid "Where is this item normally stored?"
 msgstr ""
 
-#: part/models.py:821
+#: part/models.py:838
 msgid "Default Supplier"
 msgstr ""
 
-#: part/models.py:822
+#: part/models.py:839
 msgid "Default supplier part"
 msgstr ""
 
-#: part/models.py:829
+#: part/models.py:846
 msgid "Default Expiry"
 msgstr ""
 
-#: part/models.py:830
+#: part/models.py:847
 msgid "Expiry time (in days) for stock items of this part"
 msgstr ""
 
-#: part/models.py:835
+#: part/models.py:852
 msgid "Minimum Stock"
 msgstr ""
 
-#: part/models.py:836
+#: part/models.py:853
 msgid "Minimum allowed stock level"
 msgstr ""
 
-#: part/models.py:843
+#: part/models.py:860
 msgid "Stock keeping units for this part"
 msgstr ""
 
-#: part/models.py:849
+#: part/models.py:866
 msgid "Can this part be built from other parts?"
 msgstr ""
 
-#: part/models.py:855
+#: part/models.py:872
 msgid "Can this part be used to build other parts?"
 msgstr ""
 
-#: part/models.py:861
+#: part/models.py:878
 msgid "Does this part have tracking for unique items?"
 msgstr ""
 
-#: part/models.py:866
+#: part/models.py:883
 msgid "Can this part be purchased from external suppliers?"
 msgstr ""
 
-#: part/models.py:871
+#: part/models.py:888
 msgid "Can this part be sold to customers?"
 msgstr ""
 
-#: part/models.py:875 templates/js/table_filters.js:21
+#: part/models.py:892 templates/js/table_filters.js:21
 #: templates/js/table_filters.js:69 templates/js/table_filters.js:250
 #: templates/js/table_filters.js:319
 msgid "Active"
 msgstr ""
 
-#: part/models.py:876
+#: part/models.py:893
 msgid "Is this part active?"
 msgstr ""
 
-#: part/models.py:881
+#: part/models.py:898
 msgid "Is this a virtual part, such as a software product or license?"
 msgstr ""
 
-#: part/models.py:886
+#: part/models.py:903
 msgid "Part notes - supports Markdown formatting"
 msgstr ""
 
-#: part/models.py:889
+#: part/models.py:906
 msgid "BOM checksum"
 msgstr ""
 
-#: part/models.py:889
+#: part/models.py:906
 msgid "Stored BOM checksum"
 msgstr ""
 
-#: part/models.py:892
+#: part/models.py:909
 msgid "BOM checked by"
 msgstr ""
 
-#: part/models.py:894
+#: part/models.py:911
 msgid "BOM checked date"
 msgstr ""
 
-#: part/models.py:898
+#: part/models.py:915
 msgid "Creation User"
 msgstr ""
 
-#: part/models.py:1637
+#: part/models.py:1654
 msgid "Sell multiple"
 msgstr ""
 
-#: part/models.py:2108
+#: part/models.py:2125
 msgid "Test templates can only be created for trackable parts"
 msgstr ""
 
-#: part/models.py:2125
+#: part/models.py:2142
 msgid "Test with this name already exists for this part"
 msgstr ""
 
-#: part/models.py:2145 templates/js/part.js:906 templates/js/stock.js:475
+#: part/models.py:2162 templates/js/part.js:906 templates/js/stock.js:475
 msgid "Test Name"
 msgstr ""
 
-#: part/models.py:2146
+#: part/models.py:2163
 msgid "Enter a name for the test"
 msgstr ""
 
-#: part/models.py:2151
+#: part/models.py:2168
 msgid "Test Description"
 msgstr ""
 
-#: part/models.py:2152
+#: part/models.py:2169
 msgid "Enter description for this test"
 msgstr ""
 
-#: part/models.py:2157 templates/js/part.js:915
+#: part/models.py:2174 templates/js/part.js:915
 #: templates/js/table_filters.js:236
 msgid "Required"
 msgstr ""
 
-#: part/models.py:2158
+#: part/models.py:2175
 msgid "Is this test required to pass?"
 msgstr ""
 
-#: part/models.py:2163 templates/js/part.js:923
+#: part/models.py:2180 templates/js/part.js:923
 msgid "Requires Value"
 msgstr ""
 
-#: part/models.py:2164
+#: part/models.py:2181
 msgid "Does this test require a value when adding a test result?"
 msgstr ""
 
-#: part/models.py:2169 templates/js/part.js:930
+#: part/models.py:2186 templates/js/part.js:930
 msgid "Requires Attachment"
 msgstr ""
 
-#: part/models.py:2170
+#: part/models.py:2187
 msgid "Does this test require a file attachment when adding a test result?"
 msgstr ""
 
-#: part/models.py:2207
+#: part/models.py:2224
 msgid "Parameter template name must be unique"
 msgstr ""
 
-#: part/models.py:2212
+#: part/models.py:2229
 msgid "Parameter Name"
 msgstr ""
 
-#: part/models.py:2214
+#: part/models.py:2231
 msgid "Parameter Units"
 msgstr ""
 
-#: part/models.py:2246 part/models.py:2295 part/models.py:2296
+#: part/models.py:2263 part/models.py:2312 part/models.py:2313
 #: templates/InvenTree/settings/category.html:62
 msgid "Parameter Template"
 msgstr ""
 
-#: part/models.py:2248
+#: part/models.py:2265
 msgid "Data"
 msgstr ""
 
-#: part/models.py:2248
+#: part/models.py:2265
 msgid "Parameter Value"
 msgstr ""
 
-#: part/models.py:2300 templates/InvenTree/settings/category.html:67
+#: part/models.py:2317 templates/InvenTree/settings/category.html:67
 msgid "Default Value"
 msgstr ""
 
-#: part/models.py:2301
+#: part/models.py:2318
 msgid "Default Parameter Value"
 msgstr ""
 
-#: part/models.py:2335
+#: part/models.py:2352
 msgid "Select parent part"
 msgstr ""
 
-#: part/models.py:2344
+#: part/models.py:2361
 msgid "Select part to be used in BOM"
 msgstr ""
 
-#: part/models.py:2350
+#: part/models.py:2367
 msgid "BOM quantity for this BOM item"
 msgstr ""
 
-#: part/models.py:2352 templates/js/bom.js:216 templates/js/bom.js:278
+#: part/models.py:2369 templates/js/bom.js:216 templates/js/bom.js:278
 msgid "Optional"
 msgstr ""
 
-#: part/models.py:2352
+#: part/models.py:2369
 msgid "This BOM item is optional"
 msgstr ""
 
-#: part/models.py:2355
+#: part/models.py:2372
 msgid "Overage"
 msgstr ""
 
-#: part/models.py:2356
+#: part/models.py:2373
 msgid "Estimated build wastage quantity (absolute or percentage)"
 msgstr ""
 
-#: part/models.py:2359
+#: part/models.py:2376
 msgid "BOM item reference"
 msgstr ""
 
-#: part/models.py:2362
+#: part/models.py:2379
 msgid "BOM item notes"
 msgstr ""
 
-#: part/models.py:2364
+#: part/models.py:2381
 msgid "Checksum"
 msgstr ""
 
-#: part/models.py:2364
+#: part/models.py:2381
 msgid "BOM line checksum"
 msgstr ""
 
-#: part/models.py:2368 templates/js/bom.js:295 templates/js/bom.js:302
+#: part/models.py:2385 templates/js/bom.js:295 templates/js/bom.js:302
 #: templates/js/table_filters.js:55
 msgid "Inherited"
 msgstr ""
 
-#: part/models.py:2369
+#: part/models.py:2386
 msgid "This BOM item is inherited by BOMs for variant parts"
 msgstr ""
 
-#: part/models.py:2374 templates/js/bom.js:287
+#: part/models.py:2391 templates/js/bom.js:287
 msgid "Allow Variants"
 msgstr ""
 
-#: part/models.py:2375
+#: part/models.py:2392
 msgid "Stock items for variant parts can be used for this BOM item"
 msgstr ""
 
-#: part/models.py:2460 stock/models.py:324
+#: part/models.py:2477 stock/models.py:335
 msgid "Quantity must be integer value for trackable parts"
 msgstr ""
 
-#: part/models.py:2469 part/models.py:2471
+#: part/models.py:2486 part/models.py:2488
 msgid "Sub part must be specified"
 msgstr ""
 
-#: part/models.py:2474
+#: part/models.py:2491
 msgid "BOM Item"
 msgstr ""
 
-#: part/models.py:2593
+#: part/models.py:2610
 msgid "Part 1"
 msgstr ""
 
-#: part/models.py:2597
+#: part/models.py:2614
 msgid "Part 2"
 msgstr ""
 
-#: part/models.py:2597
+#: part/models.py:2614
 msgid "Select Related Part"
 msgstr ""
 
-#: part/models.py:2629
+#: part/models.py:2646
 msgid "Error creating relationship: check that the part is not related to itself and that the relationship is unique"
 msgstr ""
 
@@ -5088,12 +5092,12 @@ msgid "Test Results"
 msgstr ""
 
 #: report/templates/report/inventree_test_report_base.html:88
-#: stock/models.py:1785
+#: stock/models.py:1796
 msgid "Test"
 msgstr ""
 
 #: report/templates/report/inventree_test_report_base.html:89
-#: stock/models.py:1791
+#: stock/models.py:1802
 msgid "Result"
 msgstr ""
 
@@ -5152,7 +5156,7 @@ msgstr ""
 msgid "Moved {n} parts to {loc}"
 msgstr ""
 
-#: stock/forms.py:80 stock/forms.py:313 stock/models.py:539
+#: stock/forms.py:80 stock/forms.py:313 stock/models.py:550
 #: stock/templates/stock/item_base.html:393 templates/js/stock.js:1018
 msgid "Expiry Date"
 msgstr ""
@@ -5209,187 +5213,187 @@ msgstr ""
 msgid "Confirm removal of installed stock items"
 msgstr ""
 
-#: stock/models.py:57 stock/models.py:576
+#: stock/models.py:57 stock/models.py:587
 msgid "Owner"
 msgstr ""
 
-#: stock/models.py:58 stock/models.py:577
+#: stock/models.py:58 stock/models.py:588
 msgid "Select Owner"
 msgstr ""
 
-#: stock/models.py:305
+#: stock/models.py:316
 msgid "StockItem with this serial number already exists"
 msgstr ""
 
-#: stock/models.py:341
+#: stock/models.py:352
 #, python-brace-format
 msgid "Part type ('{pf}') must be {pe}"
 msgstr ""
 
-#: stock/models.py:351 stock/models.py:360
+#: stock/models.py:362 stock/models.py:371
 msgid "Quantity must be 1 for item with a serial number"
 msgstr ""
 
-#: stock/models.py:352
+#: stock/models.py:363
 msgid "Serial number cannot be set if quantity greater than 1"
 msgstr ""
 
-#: stock/models.py:374
+#: stock/models.py:385
 msgid "Item cannot belong to itself"
 msgstr ""
 
-#: stock/models.py:380
+#: stock/models.py:391
 msgid "Item must have a build reference if is_building=True"
 msgstr ""
 
-#: stock/models.py:387
+#: stock/models.py:398
 msgid "Build reference does not point to the same part object"
 msgstr ""
 
-#: stock/models.py:429
+#: stock/models.py:440
 msgid "Parent Stock Item"
 msgstr ""
 
-#: stock/models.py:438
+#: stock/models.py:449
 msgid "Base part"
 msgstr ""
 
-#: stock/models.py:447
+#: stock/models.py:458
 msgid "Select a matching supplier part for this stock item"
 msgstr ""
 
-#: stock/models.py:452 stock/templates/stock/stock_app_base.html:8
+#: stock/models.py:463 stock/templates/stock/stock_app_base.html:8
 msgid "Stock Location"
 msgstr ""
 
-#: stock/models.py:455
+#: stock/models.py:466
 msgid "Where is this stock item located?"
 msgstr ""
 
-#: stock/models.py:462
+#: stock/models.py:473
 msgid "Packaging this stock item is stored in"
 msgstr ""
 
-#: stock/models.py:467 stock/templates/stock/item_base.html:282
+#: stock/models.py:478 stock/templates/stock/item_base.html:282
 msgid "Installed In"
 msgstr ""
 
-#: stock/models.py:470
+#: stock/models.py:481
 msgid "Is this item installed in another item?"
 msgstr ""
 
-#: stock/models.py:486
+#: stock/models.py:497
 msgid "Serial number for this item"
 msgstr ""
 
-#: stock/models.py:498
+#: stock/models.py:509
 msgid "Batch code for this stock item"
 msgstr ""
 
-#: stock/models.py:502
+#: stock/models.py:513
 msgid "Stock Quantity"
 msgstr ""
 
-#: stock/models.py:511
+#: stock/models.py:522
 msgid "Source Build"
 msgstr ""
 
-#: stock/models.py:513
+#: stock/models.py:524
 msgid "Build for this stock item"
 msgstr ""
 
-#: stock/models.py:524
+#: stock/models.py:535
 msgid "Source Purchase Order"
 msgstr ""
 
-#: stock/models.py:527
+#: stock/models.py:538
 msgid "Purchase order for this stock item"
 msgstr ""
 
-#: stock/models.py:533
+#: stock/models.py:544
 msgid "Destination Sales Order"
 msgstr ""
 
-#: stock/models.py:540
+#: stock/models.py:551
 msgid "Expiry date for stock item. Stock will be considered expired after this date"
 msgstr ""
 
-#: stock/models.py:553
+#: stock/models.py:564
 msgid "Delete on deplete"
 msgstr ""
 
-#: stock/models.py:553
+#: stock/models.py:564
 msgid "Delete this Stock Item when stock is depleted"
 msgstr ""
 
-#: stock/models.py:563 stock/templates/stock/item.html:98
+#: stock/models.py:574 stock/templates/stock/item.html:98
 #: stock/templates/stock/navbar.html:54
 msgid "Stock Item Notes"
 msgstr ""
 
-#: stock/models.py:572
+#: stock/models.py:583
 msgid "Single unit purchase price at time of purchase"
 msgstr ""
 
-#: stock/models.py:1040
+#: stock/models.py:1051
 msgid "Part is not set as trackable"
 msgstr ""
 
-#: stock/models.py:1046
+#: stock/models.py:1057
 msgid "Quantity must be integer"
 msgstr ""
 
-#: stock/models.py:1052
+#: stock/models.py:1063
 #, python-brace-format
 msgid "Quantity must not exceed available stock quantity ({n})"
 msgstr ""
 
-#: stock/models.py:1055
+#: stock/models.py:1066
 msgid "Serial numbers must be a list of integers"
 msgstr ""
 
-#: stock/models.py:1058
+#: stock/models.py:1069
 msgid "Quantity does not match serial numbers"
 msgstr ""
 
-#: stock/models.py:1065
+#: stock/models.py:1076
 #, python-brace-format
 msgid "Serial numbers already exist: {exists}"
 msgstr ""
 
-#: stock/models.py:1223
+#: stock/models.py:1234
 msgid "StockItem cannot be moved as it is not in stock"
 msgstr ""
 
-#: stock/models.py:1705
+#: stock/models.py:1716
 msgid "Entry notes"
 msgstr ""
 
-#: stock/models.py:1762
+#: stock/models.py:1773
 msgid "Value must be provided for this test"
 msgstr ""
 
-#: stock/models.py:1768
+#: stock/models.py:1779
 msgid "Attachment must be uploaded for this test"
 msgstr ""
 
-#: stock/models.py:1786
+#: stock/models.py:1797
 msgid "Test name"
 msgstr ""
 
-#: stock/models.py:1792 templates/js/table_filters.js:226
+#: stock/models.py:1803 templates/js/table_filters.js:226
 msgid "Test result"
 msgstr ""
 
-#: stock/models.py:1798
+#: stock/models.py:1809
 msgid "Test output value"
 msgstr ""
 
-#: stock/models.py:1805
+#: stock/models.py:1816
 msgid "Test result attachment"
 msgstr ""
 
-#: stock/models.py:1811
+#: stock/models.py:1822
 msgid "Test notes"
 msgstr ""
 
@@ -6681,15 +6685,15 @@ msgstr ""
 msgid "View operation not allowed"
 msgstr ""
 
-#: templates/js/forms.js:811 templates/modals.html:21 templates/modals.html:47
+#: templates/js/forms.js:817 templates/modals.html:21 templates/modals.html:47
 msgid "Form errors exist"
 msgstr ""
 
-#: templates/js/forms.js:1178
+#: templates/js/forms.js:1184
 msgid "Searching"
 msgstr ""
 
-#: templates/js/forms.js:1331
+#: templates/js/forms.js:1337
 msgid "Clear input"
 msgstr ""