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Notice of proposed rulemaking (NPRM); reopening of comment period.

This action extends the comment period for the NPRM published on July 24, 2024, titled "Modernization of Special Airworthiness Certification." The FAA is extending the comment period to allow commenters to review and comment on a Memorandum to the Docket that the FAA posted to the docket (FAA-2023-1377-1343) on February 1, 2024, regarding an ex parte communication between the FAA and representatives of ASTM International regarding the NPRM.

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