25 CFR Part 308

4 sections.

§ 308.1
§ 308.1 Penalties.
§ 308.2
§ 308.2 Certificates of genuineness to be attached to trade-marks.
§ 308.3
§ 308.3 Conditions of eligibility to attach certificates.
§ 308.4
§ 308.4 Revocation of privilege of attaching certificates.

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.