9 CFR Part 540

3 sections.

§ 540.1
Dead fish
§ 540.2
Specimens for educational, research, and other nonfood purposes; permits
§ 540.3
Handling and disposal of condemned or other inedible materials

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.