In addition, we performed the following with respect to the various controls listed in the control analysis form:
 Checked sequential numbering of 3 AP Voucher and Payment Voucher before and after the selected items and test to ensure that system can prevent of duplicate invoice issuing and recording
 Agreed A/P sub-ledger with control account 
At each point in the processing flow, I discussed the processing procedures with the 
Based on the results of the procedures performed, I have confirmed my understanding of the purchase application, and conclude that the application as describe in the narrative and control analysis form is in place.