IRImplementing rule
21L.A.255Identification of parts
Any natural or legal person who produces parts under Subpart G of Section A of Annex I (Part 21) or under Subpart G or R of this Annex for a product for which the design has been approved or declared in accordance with this Annex shall permanently and legibly mark that part as specified in accordance with point 21L.A.252.
IR · 21L.A.255 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025