Tattoo rules live inside each branch's uniform-and-appearance regulation — size, placement, and content limits differ by service.
| Branch | Controlling publication |
|---|---|
| Army | AR 670-1 — WEAR AND APPEARANCE OF ARMY UNIFORMS AND INSIGNIA Current dated 2021-01-26 |
| Navy | NAVPERS 15665 — on DON Issuances (DONI) (not in our index) |
| Marine Corps | MCO 1020.34H — MARINE CORPS UNIFORM REGULATIONS Current dated 2018-05-01 Plus the standalone tattoo bulletin series (MCBul 1020) |
| Coast Guard | COMDTINST M1020.6K — UNIFORM REGULATIONS Current dated 2020-07-07 |
| Air Force | DAFI 36-2903 — Office of the Assistant Secretary Current dated 2024-02-29 |
| Space Force | DAFI 36-2903 — on AF e-Publishing (not in our index) |