diff --git a/app/config/schema/schema.json b/app/config/schema/schema.json
index d70478c0a..e19a747ef 100644
--- a/app/config/schema/schema.json
+++ b/app/config/schema/schema.json
@@ -595,6 +595,7 @@
         "identifier_type_id": { "type": "integer", "foreignkey": { "table": "types", "column": "id" }, "notnull": false },
         "login": { "type": "boolean" },
         "email_address_type_id": { "type": "integer", "foreignkey": { "table": "types", "column": "id" }, "notnull": false },
+        "allow_empty": { "type": "boolean" },
         "ordr": {}
       },
       "indexes": {
diff --git a/app/resources/locales/en_US/field.po b/app/resources/locales/en_US/field.po
index 007b9c871..53a4f4a8d 100644
--- a/app/resources/locales/en_US/field.po
+++ b/app/resources/locales/en_US/field.po
@@ -423,6 +423,12 @@ msgstr "{0} Owners"
 msgid "Groups.owners_group_id"
 msgstr "Owners Group"
 
+msgid "IdentifierAssignments.allow_empty"
+msgstr "Allow Empty"
+
+msgid "IdentifierAssignments.allow_empty.desc"
+msgstr "If set and the Identifier Assignment does not generate an Identifier, Pipeline processing will be allowed to continue"
+
 msgid "IdentifierAssignments.email_address_type_id"
 msgstr "Email Address Type"
 
diff --git a/app/src/Model/Table/IdentifierAssignmentsTable.php b/app/src/Model/Table/IdentifierAssignmentsTable.php
index b0325c9f6..bae9fc222 100644
--- a/app/src/Model/Table/IdentifierAssignmentsTable.php
+++ b/app/src/Model/Table/IdentifierAssignmentsTable.php
@@ -221,7 +221,16 @@ public function assign(
         catch(\Exception $e) {
           $this->llog('debug', "Identifier '".$ia->description."' assignment failed for $entityType $entityId: " . $e->getMessage());
           $ret['errors'][$ia->description] = $e->getMessage();
-          $cxn->rollback();
+
+          if(isset($ia->allow_empty) && $ia->allow_empty) {
+            // Failure of this Identifier Assignment does not throw an Exception,
+            // but we'll report it in the error set since we don't have another place
+            // to put it
+            $this->llog('debug', "Identifier '".$ia->description."' assignment allow_empty is true, will not rollback");
+          } else {
+            // Failure of this Identifier Assignment will cause (eg) a Pipeline to fail
+            $cxn->rollback();
+          }
         }
       } else {
         $this->llog('trace', "Identifier '".$ia->description."' already assigned for $entityType $entityId");
diff --git a/app/templates/IdentifierAssignments/fields.inc b/app/templates/IdentifierAssignments/fields.inc
index a7c764847..864157b9b 100644
--- a/app/templates/IdentifierAssignments/fields.inc
+++ b/app/templates/IdentifierAssignments/fields.inc
@@ -102,5 +102,7 @@ if($vv_action == 'add' || $vv_action == 'edit') {
 
   print $this->Field->control('group_id');
 
+  print $this->Field->control('allow_empty');
+
   print $this->Field->control('ordr');
 }
\ No newline at end of file