diff --git a/db/routines/vn/procedures/invoiceInTax_afterUpsert.sql b/db/routines/vn/procedures/invoiceInTax_afterUpsert.sql
index 77e989630..60ec34696 100644
--- a/db/routines/vn/procedures/invoiceInTax_afterUpsert.sql
+++ b/db/routines/vn/procedures/invoiceInTax_afterUpsert.sql
@@ -8,6 +8,7 @@ BEGIN
  */
 	DECLARE vTaxRowLimit INT;
 	DECLARE vLines INT;
+	DECLARE vHasDistinctTransactions INT;
 
 	SELECT taxRowLimit INTO vTaxRowLimit FROM invoiceInConfig;
 	
@@ -18,6 +19,18 @@ BEGIN
 	
 	IF vLines >= vTaxRowLimit THEN 
 		CALL util.throw (CONCAT('The maximum number of lines is ', vTaxRowLimit));
-	END IF;	
+	END IF;
+
+	SELECT COUNT(DISTINCT transactionTypeSageFk) INTO vHasDistinctTransactions
+		FROM invoiceIn ii
+			JOIN invoiceInTax iit ON iit.invoiceInFk = ii.id
+			JOIN invoiceInSerial iis ON iis.code = ii.serial 
+		WHERE ii.id = vInvoiceInFk
+			AND iis.taxAreaFk = 'CEE'
+			AND transactionTypeSageFk;
+
+	IF vHasDistinctTransactions > 1 THEN 
+		CALL util.throw ('This invoice does not allow different types of transactions');
+	END IF;
 END$$
 DELIMITER ;