21.A.803 Handling of identification data

• Regulation (EU) No 748/2012 found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
• Regulation (EU) 2024/1108 found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)

21.A.803 Handling of identification data Regulation (EU) No 748/2012 (a)     No person shall remove, change, or place identification information referred to in point [21.A.801](#_DxCrossRefBm1649097168)(a) on any aircraft, engine, propeller, propeller blade, or propeller hub, or in point [21.A.807](#_DxCrossRefBm1649097452)(a) on an APU, without the approval of the Agency. (b)     No person shall remove or install any identification plate referred to in point [21.A.801](#_DxCrossRefBm1649097168), or in point [21.A.807](#_DxCrossRefBm1649097452) for an APU, without the approval of the Agency. (c)      By way of derogation from points (a) and (b), any natural or legal person performing maintenance work under the applicable associated implementing rules may, in accordance with methods, techniques and practices established by the Agency: 1.       remove, change, or place the identification information referred to in point [21.A.801](#_DxCrossRefBm1649097168)(a) on any aircraft, engine, propeller, propeller blade, or propeller hub, or in point [21.A.807](#_DxCrossRefBm1649097452)(a) on an APU; or 2.       remove an identification plate referred to in point [21.A.801](#_DxCrossRefBm1649097168), or point [21.A.807](#_DxCrossRefBm1649097452) for an APU, when necessary during maintenance operations. (d)     No person shall install an identification plate removed in accordance with point (c)(2) on any aircraft, engine, propeller, propeller blade, or propeller hub other than the one from which it was removed. #### 21.A.803 Handling of identification data *Regulation (EU) 2024/1108* (a) No person shall remove, change, or place the identification information referred to in point [21.A.801](#_DxCrossRefBm485230659)(a) on any aircraft, engine, propeller, propeller blade, propeller hub or CMU, or the identification information referred to in point [21.A.807](#_DxCrossRefBm485230945)(a) on an APU, without the approval of the Agency.’ (b) No person shall remove or install any identification plate referred to in point [21.A.801](#_DxCrossRefBm485230659), or in point [21.A.807](#_DxCrossRefBm485230945) for an APU, without the approval of the Agency. (c) By way of derogation from points (a) and (b), any natural or legal person that performs maintenance work under the applicable associated rules may, in accordance with the methods, techniques and practices established by the Agency: 1. remove, change, or place the identification information referred to in point [21.A.801](#_DxCrossRefBm485230659)(a) on any aircraft, engine, propeller, propeller blade, propeller hub or CMU, or the identification information referred to in point [21.A.807](#_DxCrossRefBm485230945)(a) on an APU; or 2. remove an identification plate referred to in point [21.A.801](#_DxCrossRefBm485230659), or in point [21.A.807](#_DxCrossRefBm485230945) for an APU, when it is necessary during maintenance operations. (d) No person shall install an identification plate that has been removed in accordance with point (c)(2) on any aircraft, engine, propeller, propeller blade, propeller hub or CMU other than the one from which it has been removed.