U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 50Chapter IPart 21Subpart B - Subpart B—Regulatory Authorizations for Migratory Birds
§ 21.12 - General exceptions to permit requirements.
§ 21.14 - Authorization—birds in buildings.
§ 21.16 - Authorization—salvage.
§ 21.18 - Authorization—exhibition use of specimens.
§ 21.22 - Authorization—licensed veterinarians.
§ 21.32 - Authorization—mortality events.
§ 21.34 - Authorization—natural resource agency employees.
§ 21.40 - Authorization—law enforcement personnel.
§ 21.42 - Authorization of take incidental to military readiness activities.
§ 21.45 - Permit exceptions for captive-reared mallard ducks.
§ 21.47 - [Reserved]
§ 21.48 - Permit exceptions for captive-bred migratory waterfowl other than mallard ducks.
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