Pictured is an example of a blank Form 1041-ES Payment Voucher 1. It is processed with Document Codes 17 or 19. The Primary Transaction Code 660 will be used on this form. Added to the form is the Section 01 Alpha Field Designators (AFD) that are used in the revenue receipt program to process this form. The AFDs listed are: 01NC, Name Control.01TIN, Taxpayer Identification Number.01TXP, Tax Period.01TDT, Transaction Date.01TA>, Primary Transaction Amount (C/Gen, Non-Correctable)