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21.A.305 Approval of parts, appliances, and control and monitoring unit (CMU) components
Available versions for ERULES-1963177438-3925
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)
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21.A.305 Approval of parts and appliances Regulation (EU) No 748/2012 In all cases where the approval of a part or appliance is explicitly required by Union law or Agency measures, the part or appliance shall comply with the applicable ETSO or with the specifications recognised as equivalent by the Agency in the particular case.
#### 21.A.305 Approval of parts, appliances, and control and monitoring unit (CMU) components *Regulation (EU) 2024/1108* In all cases where the approval of a part, appliance or CMU component is explicitly required by Union law ([[36]](#_ftn36)) or taking into account the Agency measures referred to in [Article 10](#_DxCrossRefBm485230363) of Regulation (EU) No 748/2012, the part, appliance or CMU component shall comply with the applicable ETSO or with the specifications recognised as equivalent by the Agency in the particular case. --- [[36]](#_ftnref36) [List of applicable acts to inserted as footnote]