21L.A.252 Design of markings

• Regulation (EU) 2022/1358 found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)

21L.A.252 Design of markings Regulation (EU) 2022/1358 (a)     The holder of a type certificate, supplemental type certificate, approval of a change to type certificate or approval of a repair design, or the declarant of a declaration of design compliance shall specify in the design data the marking of products and parts designed in accordance with this Annex. (b)     The specifications of the marking shall include the following information: 1.       for products: (i)      the name of the production organisation; (ii)     the product designation; (iii)     the serial number of the product; (iv)     any other information appropriate to identify the product; 2.       for parts: (i)      a name, trademark, or symbol identifying the production organisation; (ii)     the part number; (iii)     the serial number, in cases where a part to be fitted on a product has been identified as a critical part. (c)      The specification of parts in accordance with point (ii) of point (b)(2) shall include the letter ‘(R)’ at the end of the part number when: 1.       the part is from a design subject to a declaration of design compliance in accordance with [Subpart C](#_DxCrossRefBm1649097717) of this Annex; 2.       the part is to be released on an [EASA Form 1](#_DxCrossRefBm1649096870) in accordance with point (a) 3.       the part has been produced in accordance with [Subpart R](#_DxCrossRefBm1649097705) of this Annex. #### 21L.A.252 Design of markings *Regulation (EU) 2022/1358* (a) The holder of a type certificate, supplemental type certificate, approval of a change to type certificate or approval of a repair design, or the declarant of a declaration of design compliance shall specify in the design data the marking of products and parts designed in accordance with this Annex. (b) The specifications of the marking shall include the following information: 1. for products: (i) the name of the production organisation; (ii) the product designation; (iii) the serial number of the product; (iv) any other information appropriate to identify the product; 2. for parts: (i) a name, trademark, or symbol identifying the production organisation; (ii) the part number; (iii) the serial number, in cases where a part to be fitted on a product has been identified as a critical part. (c) The specification of parts in accordance with point (ii) of point (b)(2) shall include the letter ‘(R)’ at the end of the part number when: 1. the part is from a design subject to a declaration of design compliance in accordance with [Subpart C](#_DxCrossRefBm485231213) of this Annex; 2. the part is to be released on an [EASA Form 1](#_DxCrossRefBm485230360) in accordance with point (a) 3. the part has been produced in accordance with [Subpart R](#_DxCrossRefBm485231201) of this Annex.