diff --git a/InvenTree/InvenTree/validators.py b/InvenTree/InvenTree/validators.py
index 3603762faa..6bb2c1b350 100644
--- a/InvenTree/InvenTree/validators.py
+++ b/InvenTree/InvenTree/validators.py
@@ -2,7 +2,7 @@
 Custom field validators for InvenTree
 """
 
-from decimal import Decimal
+from decimal import Decimal, InvalidOperation
 
 from django.conf import settings
 from django.core.exceptions import ValidationError
@@ -138,7 +138,7 @@ def validate_overage(value):
 
         # Looks like a number
         return True
-    except ValueError:
+    except (ValueError, InvalidOperation):
         pass
 
     # Now look for a percentage value
@@ -159,7 +159,7 @@ def validate_overage(value):
             pass
 
     raise ValidationError(
-        _("Overage must be an integer value or a percentage")
+        _("Invalid value for overage")
     )
 
 
diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index 9c0556eb60..4c52b87520 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -1545,7 +1545,7 @@ class BomExtract(generics.CreateAPIView):
         """
         Custom create function to return the extracted data
         """
-        
+
         serializer = self.get_serializer(data=request.data)
         serializer.is_valid(raise_exception=True)
         self.perform_create(serializer)
@@ -1556,6 +1556,16 @@ class BomExtract(generics.CreateAPIView):
         return Response(data, status=status.HTTP_201_CREATED, headers=headers)
 
 
+class BomUpload(generics.CreateAPIView):
+    """
+    API endpoint for uploading a complete Bill of Materials.
+
+    It is assumed that the BOM has been extracted from a file using the BomExtract endpoint.
+    """
+
+    queryset = Part.objects.all()
+    serializer_class = part_serializers.BomUploadSerializer
+
 
 class BomDetail(generics.RetrieveUpdateDestroyAPIView):
     """ API endpoint for detail view of a single BomItem object """
@@ -1710,6 +1720,9 @@ bom_api_urls = [
     ])),
 
     url(r'^extract/', BomExtract.as_view(), name='api-bom-extract'),
+
+    url(r'^upload/', BomUpload.as_view(), name='api-bom-upload'),
+
     # Catch-all
     url(r'^.*$', BomList.as_view(), name='api-bom-list'),
 ]
diff --git a/InvenTree/part/serializers.py b/InvenTree/part/serializers.py
index cb050c82f8..d18b1a2a8b 100644
--- a/InvenTree/part/serializers.py
+++ b/InvenTree/part/serializers.py
@@ -8,7 +8,7 @@ import os
 import tablib
 
 from django.urls import reverse_lazy
-from django.db import models
+from django.db import models, transaction
 from django.db.models import Q
 from django.db.models.functions import Coalesce
 from django.utils.translation import ugettext_lazy as _
@@ -465,7 +465,13 @@ class BomItemSerializer(InvenTreeModelSerializer):
 
     price_range = serializers.CharField(read_only=True)
 
-    quantity = InvenTreeDecimalField()
+    quantity = InvenTreeDecimalField(required=True)
+
+    def validate_quantity(self, quantity):
+        if quantity <= 0:
+            raise serializers.ValidationError(_("Quantity must be greater than zero"))
+        
+        return quantity
 
     part = serializers.PrimaryKeyRelatedField(queryset=Part.objects.filter(assembly=True))
 
@@ -927,4 +933,37 @@ class BomExtractSerializer(serializers.Serializer):
         """
         There is no action associated with "saving" this serializer
         """
-        pass
\ No newline at end of file
+        pass
+
+
+class BomUploadSerializer(serializers.Serializer):
+    """
+    Serializer for uploading a BOM against a specified part.
+
+    A "BOM" is a set of BomItem objects which are to be validated together as a set
+    """
+
+    items = BomItemSerializer(many=True, required=True)
+
+    def validate(self, data):
+
+        data = super().validate(data)
+
+        items = data['items']
+
+        if len(items) == 0:
+            raise serializers.ValidationError(_("At least one BOM item is required"))
+
+        return data
+
+    def save(self):
+
+        data = self.validated_data
+
+        items = data['items']
+
+        with transaction.atomic():
+
+            for item in items:
+                print(item)
+        
\ No newline at end of file
diff --git a/InvenTree/templates/js/translated/bom.js b/InvenTree/templates/js/translated/bom.js
index 3106c3b9f0..512cb0c46a 100644
--- a/InvenTree/templates/js/translated/bom.js
+++ b/InvenTree/templates/js/translated/bom.js
@@ -23,6 +23,7 @@
     loadUsedInTable,
     removeRowFromBomWizard,
     removeColFromBomWizard,
+    submitBomTable
 */
 
 
@@ -41,6 +42,7 @@ function constructBomUploadTable(data, options={}) {
 
         var field_options = {
             hideLabels: true,
+            hideClearButton: true,
         };
 
         function constructRowField(field_name) {
@@ -53,7 +55,7 @@ function constructBomUploadTable(data, options={}) {
 
             field.value = row[field_name];
 
-            return constructField(`${field_name}_${idx}`, field, field_options);
+            return constructField(`items_${field_name}_${idx}`, field, field_options);
 
         }
 
@@ -75,8 +77,7 @@ function constructBomUploadTable(data, options={}) {
         buttons += `</div>`;
 
         var html = `
-        <tr id='bom_import_row_${idx}' class='bom-import-row'>
-            <td id='col_buttons_${idx}'>${buttons}</td>
+        <tr id='bom_import_row_${idx}' class='bom-import-row' idx='${idx}'>
             <td id='col_sub_part_${idx}'>${sub_part}</td>
             <td id='col_quantity_${idx}'>${quantity}</td>
             <td id='col_reference_${idx}'>${reference}</td>
@@ -85,6 +86,7 @@ function constructBomUploadTable(data, options={}) {
             <td id='col_inherited_${idx}'>${inherited}</td>
             <td id='col_optional_${idx}'>${optional}</td>
             <td id='col_note_${idx}'>${note}</td>
+            <td id='col_buttons_${idx}'>${buttons}</td>
         </tr>`;
 
         $('#bom-import-table tbody').append(html);
@@ -92,7 +94,7 @@ function constructBomUploadTable(data, options={}) {
         // Initialize the "part" selector for this row
         initializeRelatedField(
             {
-                name: `sub_part_${idx}`,
+                name: `items_sub_part_${idx}`,
                 value: row.part,
                 api_url: '{% url "api-part-list" %}',
                 filters: {
@@ -111,15 +113,6 @@ function constructBomUploadTable(data, options={}) {
         $(`#button-row-remove-${idx}`).click(function() {
             $(`#bom_import_row_${idx}`).remove();
         });
-
-        // Add callbacks for the fields which allow it
-        function addRowClearCallback(field_name) {
-            addClearCallback(`${field_name}_${idx}`, fields[field_name]);
-        }
-        
-        addRowClearCallback('reference');
-        addRowClearCallback('overage');
-        addRowClearCallback('note');
     }
 
     // Request API endpoint options
@@ -134,6 +127,70 @@ function constructBomUploadTable(data, options={}) {
 }
 
 
+/* Extract rows from the BOM upload table,
+ * and submit data to the server
+ */
+function submitBomTable(part_id, options={}) {
+
+    // Extract rows from the form
+    var rows = [];
+
+    var idx_values = [];
+
+    var url = '{% url "api-bom-upload" %}';
+
+    $('.bom-import-row').each(function() {
+        var idx = $(this).attr('idx');
+
+        idx_values.push(idx);
+
+        // Extract each field from the row
+        rows.push({
+            part: part_id,
+            sub_part: getFormFieldValue(`items_sub_part_${idx}`, {}),
+            quantity: getFormFieldValue(`items_quantity_${idx}`, {}),
+            reference: getFormFieldValue(`items_reference_${idx}`, {}),
+            overage: getFormFieldValue(`items_overage_${idx}`, {}),
+            allow_variants: getFormFieldValue(`items_allow_variants_${idx}`, {type: 'boolean'}),
+            inherited: getFormFieldValue(`items_inherited_${idx}`, {type: 'boolean'}),
+            optional: getFormFieldValue(`items_optional_${idx}`, {type: 'boolean'}),
+            note: getFormFieldValue(`items_note_${idx}`, {}),
+        })
+    });
+
+    var data = {
+        items: rows,
+    };
+
+    var options = {
+        nested: {
+            items: idx_values,
+        }
+    };
+
+    getApiEndpointOptions(url, function(response) {
+        var fields = response.actions.POST;
+
+        inventreePut(url, data, {
+            method: 'POST',
+            success: function(response) {
+                // TODO: Return to the "bom" page
+            },
+            error: function(xhr) {
+                switch (xhr.status) {
+                case 400:
+                    handleFormErrors(xhr.responseJSON, fields, options);
+                    break;
+                default:
+                    showApiError(xhr, url);
+                    break;
+                }
+            }
+        });
+    });
+}
+
+
 function downloadBomTemplate(options={}) {
 
     var format = options.format;
diff --git a/InvenTree/templates/js/translated/forms.js b/InvenTree/templates/js/translated/forms.js
index 181b4436e1..67a162ff2b 100644
--- a/InvenTree/templates/js/translated/forms.js
+++ b/InvenTree/templates/js/translated/forms.js
@@ -890,12 +890,13 @@ function validateFormField(name, options) {
  * - field: The field specification provided from the OPTIONS request
  * - options: The original options object provided by the client
  */
-function getFormFieldValue(name, field, options) {
+function getFormFieldValue(name, field={}, options={}) {
 
     // Find the HTML element
     var el = getFormFieldElement(name, options);
 
     if (!el) {
+        console.log(`ERROR: getFormFieldValue could not locate field '{name}'`);
         return null;
     }
 
@@ -981,16 +982,22 @@ function handleFormSuccess(response, options) {
 /*
  * Remove all error text items from the form
  */
-function clearFormErrors(options) {
+function clearFormErrors(options={}) {
 
-    // Remove the individual error messages
-    $(options.modal).find('.form-error-message').remove();
+    if (options && options.modal) {
+        // Remove the individual error messages
+        $(options.modal).find('.form-error-message').remove();
 
-    // Remove the "has error" class
-    $(options.modal).find('.form-field-error').removeClass('form-field-error');
+        // Remove the "has error" class
+        $(options.modal).find('.form-field-error').removeClass('form-field-error');
 
-    // Hide the 'non field errors'
-    $(options.modal).find('#non-field-errors').html('');
+        // Hide the 'non field errors'
+        $(options.modal).find('#non-field-errors').html('');
+    } else {
+        $('.form-error-message').remove();
+        $('.form-field-errors').removeClass('form-field-error');
+        $('#non-field-errors').html('');
+    }
 }
 
 /*
@@ -1018,7 +1025,7 @@ function clearFormErrors(options) {
  * 
  */
 
-function handleNestedErrors(errors, field_name, options) {
+function handleNestedErrors(errors, field_name, options={}) {
 
     var error_list = errors[field_name];
 
@@ -1074,15 +1081,23 @@ function handleNestedErrors(errors, field_name, options) {
  * - fields: The form data object
  * - options: Form options provided by the client
  */
-function handleFormErrors(errors, fields, options) {
+function handleFormErrors(errors, fields={}, options={}) {
 
     // Reset the status of the "submit" button
-    $(options.modal).find('#modal-form-submit').prop('disabled', false);
+    if (options.modal) {
+        $(options.modal).find('#modal-form-submit').prop('disabled', false);
+    }
 
     // Remove any existing error messages from the form
     clearFormErrors(options);
 
-    var non_field_errors = $(options.modal).find('#non-field-errors');
+    var non_field_errors = null;
+    
+    if (options.modal) {
+        non_field_errors = $(options.modal).find('#non-field-errors');
+    } else {
+        non_field_errors = $('#non-field-errors');
+    }
 
     // TODO: Display the JSON error text when hovering over the "info" icon
     non_field_errors.append(
@@ -1158,14 +1173,19 @@ function handleFormErrors(errors, fields, options) {
 /*
  * Add a rendered error message to the provided field
  */
-function addFieldErrorMessage(name, error_text, error_idx, options) {
+function addFieldErrorMessage(name, error_text, error_idx, options={}) {
 
     field_name = getFieldName(name, options);
 
-    // Add the 'form-field-error' class
-    $(options.modal).find(`#div_id_${field_name}`).addClass('form-field-error');
+    var field_dom = null;
 
-    var field_dom = $(options.modal).find(`#errors-${field_name}`);
+    if (options.modal) {
+        $(options.modal).find(`#div_id_${field_name}`).addClass('form-field-error');
+        field_dom = $(options.modal).find(`#errors-${field_name}`);
+    } else {
+        $(`#div_id_${field_name}`).addClass('form-field-error');
+        field_dom = $(`#errors-${field_name}`);
+    }
 
     if (field_dom) {
 
@@ -1492,17 +1512,20 @@ function initializeRelatedField(field, fields, options={}) {
 
     var parent = null;
     var auto_width = false;
+    var width = '100%';
 
     // Special considerations if the select2 input is a child of a modal
     if (options && options.modal) {
         parent = $(options.modal);
         auto_width = true;
+        width = null;
     }
 
     select.select2({
         placeholder: '',
         dropdownParent: parent,
         dropdownAutoWidth: auto_width,
+        width: width,
         language: {
             noResults: function(query) {
                 if (field.noResults) {
@@ -1949,7 +1972,7 @@ function constructField(name, parameters, options) {
 
     if (extra) {
 
-        if (!parameters.required) {
+        if (!parameters.required && !options.hideClearButton) {
             html += `
             <span class='input-group-text form-clear' id='clear_${field_name}' title='{% trans "Clear input" %}'>
                 <span class='icon-red fas fa-backspace'></span>