diff --git a/controllers_v2/finstitutions/payments/base.py b/controllers_v2/finstitutions/payments/base.py
index 416e23e..95001ee 100644
--- a/controllers_v2/finstitutions/payments/base.py
+++ b/controllers_v2/finstitutions/payments/base.py
@@ -376,39 +376,29 @@ class PaymentsController(CoreAuthTokenController, ABC):
         :return: True is the receipt was added, else False.
         """
 
-        # If this is not an against-sale kind of transaction:
-        if not payment.metadata.reference.strip().lower().find("against sale") >= 0:
-            return True
-
-        # If this is against some sale:
-        success = False
-        api_input_json = {
-            "transactionDate": date_time.get_current_ist_date_time().strftime("%Y-%m-%d"),
-            "clientId": payment.metadata.idClient,
-            "clientName": payment.metadata.clientName,
-            "clientAddress": None,
-            "deliveryAddress": None,
-            "total": payment.amount,
-            "documentUrl": None,
-            "invoiceNo": None,
-            "deliveryBoyId": None,
-            "deliveryBoyName": None,
-            "lineItems": payment.metadata.againstReference
-        }
-        print("ADD SALES TXN INPUT JSON:", json.to_string(api_input_json))
-        api_response = await current_app.http_client.post(
-            url = "https://api.thecaoffice.com/account/sales/transaction/add",
-            headers = {"X-Session-Token": session_token},
-            json = api_input_json
+        # Call the database's procedure:
+        sql_json = await self.call_procedure(
+            sql_conn = sql_conn,
+            proc_name = "sales_transaction_add",
+            proc_args = (
+                payment.user.userId,  # ................................................. p_user_id
+                payment.user.billingAccountId,  # ....................................... _billing_account_id
+                date_time.get_current_ist_date_time().strftime("%Y-%m-%d"),  # .......... _transaction_date
+                payment.metadata.idClient,  # ........................................... _client_id
+                payment.amount,  # ...................................................... p_amount
+                None,  # ................................................................ p_document_url
+                json.to_string(payment.metadata.againstReference, no_space = True)  # ... p_description
+            ),
+            retry_count = 1,
+            backoff_seconds = 0.5,
+            backoff_multiplier = 1.1,
+            session_token = session_token,
+            alert_on_all_failures = True
         )
-        try: api_json = api_response.json()
-        except: api_json = {}
-        print(f"ADD SALES TXN ({api_response.status_code}):", api_response.content)
-        print("ADD SALES TXN:", json.to_string(api_json))
-        if api_response.is_success: success = True
 
-        # Done here:
-        return success
+        # Return the response:
+        if sql_json["status"] == 1: return True
+        else: return False
 
     async def add_event_by_payment_id(
             self,