PART 21—MIGRATORY BIRD PERMITS
- SUBPART A—Introduction (§21.1 to §21.4)
- SUBPART B—General Requirements and Exceptions (§21.11 to §21.15)
- SUBPART C—Specific Permit Provisions (§21.21 to §21.31)
- SUBPART D—Control of Depredating and Otherwise Injurious Birds (§21.41 to §21.54)
- SUBPART E—Control of Overabundant Migratory Bird Populations (§21.60 to §21.61)