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U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 50Chapter IPart 23Subpart H - Subpart H—Lists of Species
§ 23.89 - What are the criteria for listing species in Appendix I or II?
§ 23.90 - What are the criteria for listing species in Appendix III?
§ 23.91 - How do I find out if a species is listed?
§ 23.92 - Are any wildlife or plants, and their parts, products, or derivatives, exempt?
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