Amendment (Regulatory Amendment)
Section 02: Regulatory Vocabulary
Definition
A formal change to an existing regulation, published through the rulemaking process. In the FAA context, amendments to airworthiness regulations are identified by the part number and amendment number (e.g., Amendment 25-140 is the 140th amendment to Part 25). The amendment number is significant for type certification because the certification basis for a new TC is defined by the specific amendment level of the applicable regulations in effect on the date of application.
Where This Shows Up
The amendment level of a regulation at the time of application is a key element of the certification basis. Applicants must comply with the regulations at the amendment level determined by the date of their application, unless they elect to comply with a later amendment or the authority retroactively applies a later amendment.
Primary Sources
FAA rule establishing how the amendment level of regulations is determined for type certification.
Related Terms
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