21L.A.105 Declaration of design compliance for minor changes

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

21L.A.105 Declaration of design compliance for minor changes Regulation (EU) 2022/1358 (a)     Prior to installing or incorporating or agreeing with a production organisation to install or incorporate a minor change to the design of an aircraft for which design compliance has been declared in accordance with [Subpart C](#_DxCrossRefBm1649097717) of this Annex the organisation that has designed that minor change shall declare that the design of that minor change complies with: 1.       either the detailed technical specifications incorporated by reference in the declaration of design compliance of the aircraft, unless those detailed technical specifications or parts of them are no longer applicable in accordance with point [21L.B.61](#_DxCrossRefBm1649097830) because the Agency has determined that experience from other similar products in service or products that have similar design features has shown that unsafe conditions may develop, and the detailed technical specifications that were referenced in the declaration of design compliance of the aircraft do not address this unsafe condition, or 2.       the detailed technical specifications applicable, on the date on which the declaration is made in accordance with point [21L.B.61](#_DxCrossRefBm1649097830), if chosen by the declarant; and 3.       the applicable environmental protection requirements referred to in point [21L.B.61](#_DxCrossRefBm1649097830) which are applicable on the date on which the declaration is made. (b)     The declaration of design compliance shall be made in a form and manner established by the Agency. (c)      The declarant or the organisation that has designed the minor change shall maintain a register of minor changes to the design of aircraft for which design compliance has been declared, and make any declaration made in accordance with point (a) available to the Agency upon request. #### 21L.A.105 Declaration of design compliance for minor changes *Regulation (EU) 2022/1358* (a) Prior to installing or incorporating or agreeing with a production organisation to install or incorporate a minor change to the design of an aircraft for which design compliance has been declared in accordance with [Subpart C](#_DxCrossRefBm485231213) of this Annex the organisation that has designed that minor change shall declare that the design of that minor change complies with: 1. either the detailed technical specifications incorporated by reference in the declaration of design compliance of the aircraft, unless those detailed technical specifications or parts of them are no longer applicable in accordance with point [21L.B.61](#_DxCrossRefBm485231326) because the Agency has determined that experience from other similar products in service or products that have similar design features has shown that unsafe conditions may develop, and the detailed technical specifications that were referenced in the declaration of design compliance of the aircraft do not address this unsafe condition, or 2. the detailed technical specifications applicable, on the date on which the declaration is made in accordance with point [21L.B.61](#_DxCrossRefBm485231326), if chosen by the declarant; and 3. the applicable environmental protection requirements referred to in point [21L.B.61](#_DxCrossRefBm485231326) which are applicable on the date on which the declaration is made. (b) The declaration of design compliance shall be made in a form and manner established by the Agency. (c) The declarant or the organisation that has designed the minor change shall maintain a register of minor changes to the design of aircraft for which design compliance has been declared, and make any declaration made in accordance with point (a) available to the Agency upon request.