29 CFR Part 1204

3 sections.

§ 1204.1
§ 1204.1 Making and maintaining contracts.
§ 1204.2
§ 1204.2 Arbitrary changing of contracts.
§ 1204.3
§ 1204.3 Filing of contracts.

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.