Marking requirements for PMA articles, TSO articles, and Critical parts.
CFR · 2024-01-01 · US · Title 14
(a) (1) Each PMA article, with the PMA holder's name, trademark, symbol, or other FAA approved identification and part number; and (2) The letters “FAA-PMA”. (b) (1) Each TSO article with the TSO holder's name, trademark, symbol, or other FAA approved identification and part number; and (2) Each TSO article, unless otherwise specified in the applicable TSO, with the TSO number and letter of designation, all markings specifically required by the applicable TSO, and the serial number or the date of manufacture of the article or both. (c) (d) If the FAA finds a part or article is too small or otherwise impractical to mark with any of the information required by this part, the manufacturer must attach that information to the part or its container.
official document · source cfr-2024 · id 14:§ 45.15