This document provides a system test script for testing the payables process integration with the target application system. It includes 16 test sequences that cover key payables functions like opening payable periods, defining banks, invoice entry, payments, refunds, month-end processing and more. Each sequence includes the test step, expected results, and status. Century date compliance testing is also recommended. The document aims to ensure all customizations, interfaces and extensions are functioning correctly for the payables process.