diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index 05f50243..d7b2a8fd 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -2865,6 +2865,9 @@ class APIController extends Controller implements LoggedController
         $icrit = new InvoiceCriteria();
         $icrit->setServiceType($stype);
 
+        // set taxable
+        $icrit->setIsTaxable(true);
+
         // check promo
         $promo_id = $req->request->get('promo_id');
         if (!empty($promo_id))
diff --git a/src/Service/InvoiceManager.php b/src/Service/InvoiceManager.php
index 90b092c3..b2f87ad4 100644
--- a/src/Service/InvoiceManager.php
+++ b/src/Service/InvoiceManager.php
@@ -94,6 +94,8 @@ class InvoiceManager implements InvoiceGeneratorInterface
             ->setCustomerVehicle($jo->getCustomerVehicle());
 
         // set if taxable
+        // NOTE: ideally, this should be a parameter when calling generateInvoiceCriteria. But that
+        // would mean adding it as a parameter to the call, impacting all calls
         $criteria->setIsTaxable();
 
         $ierror = $this->validatePromo($criteria, $promo_id);
@@ -152,11 +154,12 @@ class InvoiceManager implements InvoiceGeneratorInterface
     }
 
     // this is called by JobOrderController when JS script generateInvoice is called
+    // this is also called by the APIController from newRequestJobOrder
     // this is also called by generateInvoiceCriteria
     public function generateInvoice($criteria)
     {
         // no need to validate since generateDraftInvoice was called before this was called
-        // generate the invoice
+        // generate the invoice and from APIController, the fields were validated
         // check which rules to apply
         $rules = $this->check($criteria);