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Completing Form 3244-A for IRC 6603 Deposits

Internal Revenue Manual Part 4. Examining Process · 2026-10-03 edition · updated 2026-10-04 · United States

Form 3244-A, Payment Posting Voucher — Examination, contains a check box on the form to mark a payment as an IRC 6603 deposit. If you fill out the form electronically and check the 6603 Box, it adds a Designated Payment Code (DPC) 12. If you fill out the form by hand, enter DPC 12.

Apply as a Transaction Code (TC) 640, Advance Payment on Deficiency, and enter the amount of payment.

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▸Contents — Internal Revenue Manual Part 4. Examining Process
Internal Revenue Manual Part 4. Examining Process

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