diff --git a/models/baseModels/Invoice/Invoice.ts b/models/baseModels/Invoice/Invoice.ts
index 049470af..f91c176f 100644
--- a/models/baseModels/Invoice/Invoice.ts
+++ b/models/baseModels/Invoice/Invoice.ts
@@ -199,6 +199,23 @@ export abstract class Invoice extends Transactional {
     if (this.isQuote) {
       return;
     }
+    if (!this.submitted && this.loyaltyProgram) {
+      const isExpiredOrMaxed = await isLoyaltyProgramExpiredAndMaxed(
+        this.fyo,
+        this.loyaltyProgram
+      );
+
+      if (isExpiredOrMaxed) {
+        const { showToast } = await import('src/utils/interactive');
+
+        showToast({
+          type: 'warning',
+          message: t`Loyalty program has expired or reached maximum usage`,
+          duration: 'short',
+        });
+      }
+    }
+
     if (
       this.enableDiscounting &&
       !this.fyo.singles?.AccountingSettings?.discountAccount
@@ -759,17 +776,26 @@ export abstract class Invoice extends Transactional {
         if (item.batch) {
           const returnData = totalQtyOfReturnedItems[item.item as string];
           if (typeof returnData === 'object' && returnData?.batches) {
-            returnDocItems = docItems.map((docItem) => ({
-              ...docItem,
-              name: undefined,
-              quantity: -returnData?.batches![docItem.batch as string] || 0,
-            }));
+            returnDocItems = docItems.map((docItem: DocValueMap) => {
+              const qty = -returnData?.batches![docItem.batch as string] || 0;
+              const transferQty =
+                qty / ((docItem.unitConversionFactor as number) || 1);
+              return {
+                ...docItem,
+                name: undefined,
+                quantity: qty,
+                transferQuantity: transferQty,
+              };
+            });
           }
         } else {
-          returnDocItems = docItems.map((docItem) => ({
+          returnDocItems = docItems.map((docItem: DocValueMap) => ({
             ...docItem,
             name: undefined,
             quantity: -(totalQtyOfReturnedItems[docItem.item as string] || 0),
+            qty:
+              -(totalQtyOfReturnedItems[docItem.item as string] as number) /
+              (item.unitConversionFactor as number),
             transferQuantity: -(
               (totalQtyOfReturnedItems[docItem.item as string] as number) /
               (item.unitConversionFactor as number)
@@ -835,6 +861,7 @@ export abstract class Invoice extends Transactional {
         serialNumber,
         name: undefined,
         quantity: quantity,
+        qty: transferQuantity,
         transferQuantity,
       });
     }
diff --git a/models/baseModels/SalesInvoice/SalesInvoice.ts b/models/baseModels/SalesInvoice/SalesInvoice.ts
index 642712dc..9d4014d7 100644
--- a/models/baseModels/SalesInvoice/SalesInvoice.ts
+++ b/models/baseModels/SalesInvoice/SalesInvoice.ts
@@ -118,9 +118,7 @@ export class SalesInvoice extends Invoice {
       today.setHours(0, 0, 0, 0);
 
       if (toDate && new Date(toDate).getTime() < today.getTime()) {
-        throw new ValidationError(
-          t`Loyalty program has expired and cannot be applied`
-        );
+        return;
       }
 
       if (!this?.grandTotal) {
diff --git a/models/helpers.ts b/models/helpers.ts
index 2b0529ed..aaa3fcbc 100644
--- a/models/helpers.ts
+++ b/models/helpers.ts
@@ -1642,20 +1642,12 @@ export async function validateLoyaltyProgram(
     filters: { name: loyaltyProgramName },
   });
 
-  if (!loyaltyProgram[0]?.isEnabled) {
-    throw new ValidationError(
-      'Loyalty program cannot be applied as it is not enabled'
-    );
-  }
-
   if (
     (loyaltyProgram[0]?.maximumUse as number) > 0 &&
     (loyaltyProgram[0]?.used as number) >=
       (loyaltyProgram[0]?.maximumUse as number)
   ) {
-    throw new ValidationError(
-      'Loyalty program has reached maximum usage limit'
-    );
+    return;
   }
 
   if (
@@ -1672,9 +1664,8 @@ export async function validateLoyaltyProgram(
     const normalizedToDate = new Date(toDate);
     normalizedToDate.setHours(0, 0, 0, 0);
 
-    // Only throw error if toDate is clearly in the past
     if (normalizedToDate.getTime() < today.getTime()) {
-      throw new ValidationError('Loyalty program has expired');
+      return;
     }
   }
 }