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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 14
Chapter I
Part 21
Subpart K - Subpart K—Parts Manufacturer Approvals
§ 21.301 - Applicability.
§ 21.303 - Application.
§ 21.305 - Organization.
§ 21.307 - Quality system.
§ 21.308 - Quality manual.
§ 21.309 - Location of or change to manufacturing facilities.
§ 21.310 - Inspections and tests.
§ 21.311 - Issuance.
§ 21.313 - Duration.
§ 21.314 - Transferability.
§ 21.316 - Responsibility of holder.
§ 21.319 - Design changes.
§ 21.320 - Changes in quality system.
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