diff --git a/src/documents/tests/test_barcodes.py b/src/documents/tests/test_barcodes.py
index 4552a2b77..402d438e7 100644
--- a/src/documents/tests/test_barcodes.py
+++ b/src/documents/tests/test_barcodes.py
@@ -14,6 +14,7 @@ from documents.barcodes import BarcodePlugin
 from documents.data_models import ConsumableDocument
 from documents.data_models import DocumentMetadataOverrides
 from documents.data_models import DocumentSource
+from documents.models import Tag
 from documents.tests.utils import DirectoriesMixin
 from documents.tests.utils import DocumentConsumeDelayMixin
 from documents.tests.utils import DummyProgressManager
@@ -741,3 +742,105 @@ class TestBarcodeZxing(TestBarcode):
 @override_settings(CONSUMER_BARCODE_SCANNER="ZXING")
 class TestAsnBarcodesZxing(TestAsnBarcode):
     pass
+
+
+class TestTagBarcode(DirectoriesMixin, SampleDirMixin, GetReaderPluginMixin, TestCase):
+    @contextmanager
+    def get_reader(self, filepath: Path) -> BarcodePlugin:
+        reader = BarcodePlugin(
+            ConsumableDocument(DocumentSource.ConsumeFolder, original_file=filepath),
+            DocumentMetadataOverrides(),
+            DummyProgressManager(filepath.name, None),
+            self.dirs.scratch_dir,
+            "task-id",
+        )
+        reader.setup()
+        yield reader
+        reader.cleanup()
+
+    @override_settings(CONSUMER_ENABLE_TAG_BARCODE=True)
+    def test_scan_file_without_matching_barcodes(self):
+        """
+        GIVEN:
+            - PDF containing tag barcodes but none with matching prefix (default "TAG:")
+        WHEN:
+            - File is scanned for barcodes
+        THEN:
+            - No TAG has been created
+        """
+        test_file = self.BARCODE_SAMPLE_DIR / "barcode-39-asn-custom-prefix.pdf"
+        with self.get_reader(test_file) as reader:
+            reader.run()
+            tags = reader.metadata.tag_ids
+            self.assertEqual(tags, None)
+
+    @override_settings(
+        CONSUMER_ENABLE_TAG_BARCODE=False,
+        CONSUMER_TAG_BARCODE_MAPPING={"CUSTOM-PREFIX-(.*)": "\\g<1>"},
+    )
+    def test_scan_file_with_matching_barcode_but_function_disabled(self):
+        """
+        GIVEN:
+            - PDF containing a tag barcode with matching custom prefix
+            - The tag barcode functionality is disabled
+        WHEN:
+            - File is scanned for barcodes
+        THEN:
+            - No TAG has been created
+        """
+        test_file = self.BARCODE_SAMPLE_DIR / "barcode-39-asn-custom-prefix.pdf"
+        with self.get_reader(test_file) as reader:
+            reader.run()
+            tags = reader.metadata.tag_ids
+            self.assertEqual(tags, None)
+
+    @override_settings(
+        CONSUMER_ENABLE_TAG_BARCODE=True,
+        CONSUMER_TAG_BARCODE_MAPPING={"CUSTOM-PREFIX-(.*)": "\\g<1>"},
+    )
+    def test_scan_file_for_tag_custom_prefix(self):
+        """
+        GIVEN:
+            - PDF containing a tag barcode with custom prefix
+            - The barcode mapping accepts this prefix and removes it from the mapped tag value
+            - The created tag is the non-prefixed values
+        WHEN:
+            - File is scanned for barcodes
+        THEN:
+            - The TAG is located
+            - One TAG has been created
+        """
+        test_file = self.BARCODE_SAMPLE_DIR / "barcode-39-asn-custom-prefix.pdf"
+        with self.get_reader(test_file) as reader:
+            reader.run()
+            self.assertEqual(reader.pdf_file, test_file)
+            tags = reader.metadata.tag_ids
+            self.assertEqual(len(tags), 1)
+            self.assertEqual(Tag.objects.get(name__iexact="00123").pk, tags[0])
+
+    @override_settings(
+        CONSUMER_ENABLE_TAG_BARCODE=True,
+        CONSUMER_TAG_BARCODE_MAPPING={"ASN(.*)": "\\g<1>"},
+    )
+    def test_scan_file_for_many_custom_tags(self):
+        """
+        GIVEN:
+            - PDF containing multiple tag barcode with custom prefix
+            - The barcode mapping accepts this prefix and removes it from the mapped tag value
+            - The created tags are the non-prefixed values
+        WHEN:
+            - File is scanned for barcodes
+        THEN:
+            - The TAG is located
+            - File Tags have been created
+        """
+        test_file = self.BARCODE_SAMPLE_DIR / "split-by-asn-1.pdf"
+        with self.get_reader(test_file) as reader:
+            reader.run()
+            tags = reader.metadata.tag_ids
+            self.assertEqual(len(tags), 5)
+            self.assertEqual(Tag.objects.get(name__iexact="00123").pk, tags[0])
+            self.assertEqual(Tag.objects.get(name__iexact="00124").pk, tags[1])
+            self.assertEqual(Tag.objects.get(name__iexact="00125").pk, tags[2])
+            self.assertEqual(Tag.objects.get(name__iexact="00126").pk, tags[3])
+            self.assertEqual(Tag.objects.get(name__iexact="00127").pk, tags[4])