1、define account group for vendor

SPRO->Financial Account(NEW)->Account receivalbe and Account payable ->vendor account->Master Data ->Preparation for creating Vendor Master Data ->difine account Groups with Screen layout (vendor)

2、define complay code screen layout

SPRO->Financial ACCOUNT(NEW)->Account receivable and Account Payable ->Vendor Accounts->Master Data ->Preparations for creating Vendor Master Data->define Screen Layout per Complay Code (Vendor)

3、define payable method

SPRO->Personnel Management->Personnel Administration ->Personnel Data->Bank Detials ->Define Payment method

SAP ACCOUNT PAYABLE AND ACCOUNT RECEIVABLE