AMC1 21L.A.178 Notification of changes and cessation of activities

• ED Decision 2023/013/R found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)

AMC1 21L.A.178 Notification of changes and cessation of activities ED Decision 2023/013/R CHANGES AND THEIR TIMELY NOTIFICATION The declared design organisation should notify EASA of the following changes: 1.       Changes to the information that has been declared in accordance with point (c) —        change of the registered name of the organisation; —        change of the registered address of the organisation’s principal place of business and, where applicable, change of the operating sites and/or their addresses; —        change of the head of the design organisation and/or their contact details; —        change of the scope of work. These changes are notified to EASA by submitting a revised declaration of design capability. 2.       Significant changes to the management system for design (according to point [21L.A.178](#_DxCrossRefBm1649098057)(b)): —        change in the parts of the organisation that contribute directly to the airworthiness or environmental compatibility (independent checking function and airworthiness function); —        new distribution of responsibilities affecting airworthiness or environmental compatibility aspects; —        changes in the organisation structure; —        change to the principles of procedures related to: —        the type certification (see Subpart B); —        the approval of changes (see Subpart D); —        the approval of repair designs (see Subpart M); —        continued airworthiness (see points [21L.A.3](#_DxCrossRefBm1649097723) and [21L.A.4](#_DxCrossRefBm1649097737)); —        the configuration control, when airworthiness or environmental compatibility is affected; —        the acceptability of design tasks undertaken by partners or subcontractors (point [21L.A.174](#_DxCrossRefBm1649097757)(b)(3)); These changes are notified without revising the declaration of design capability. Timely notification: The declared design organisation should notify the change(s) as soon as it has taken the decision to introduce the respective change(s) but no later than 10 working days after the change(s) became effective. ##### AMC1 21L.A.178 Notification of changes and cessation of activities *ED Decision 2023/013/R* **CHANGES AND THEIR TIMELY NOTIFICATION** The declared design organisation should notify EASA of the following changes: 1. Changes to the information that has been declared in accordance with point (c) — change of the registered name of the organisation; — change of the registered address of the organisation’s principal place of business and, where applicable, change of the operating sites and/or their addresses; — change of the head of the design organisation and/or their contact details; — change of the scope of work. These changes are notified to EASA by submitting a revised declaration of design capability. 2. Significant changes to the management system for design (according to point [21L.A.178](#_DxCrossRefBm485231554)(b)): — change in the parts of the organisation that contribute directly to the airworthiness or environmental compatibility (independent checking function and airworthiness function); — new distribution of responsibilities affecting airworthiness or environmental compatibility aspects; — changes in the organisation structure; — change to the principles of procedures related to: — the type certification (see Subpart B); — the approval of changes (see Subpart D); — the approval of repair designs (see Subpart M); — continued airworthiness (see points [21L.A.3](#_DxCrossRefBm485231219) and [21L.A.4](#_DxCrossRefBm485231233)); — the configuration control, when airworthiness or environmental compatibility is affected; — the acceptability of design tasks undertaken by partners or subcontractors (point [21L.A.174](#_DxCrossRefBm485231253)(b)(3)); These changes are notified without revising the declaration of design capability. Timely notification: The declared design organisation should notify the change(s) as soon as it has taken the decision to introduce the respective change(s) but no later than 10 working days after the change(s) became effective.