After the approved invoice sent back to K.Kanokwan (Assistant Accounting Manager) or K.Saowalak (Accounting Staff), she will prepare Purchase Voucher by key the data of approved invoice to the accounts payable module in MAS system, after that she will print the Purchase Voucher Report and edit list to recheck. The Purchase vouchers are printed and attached with supporting documents before sending to K. Wipaporn (Associated Administrative and Finance Director). K. Wipaporn will check again and sign as checker). but do not send purchase voucher to K. Rihito Onuma (Managing Director) to sign again due to he signed approve invoice already. Then, K. Kanokwan will post the data to G/L. The system will process to account transaction.