§ 304.4 Standards and additional requirements.
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
No piece of silver, though made in compliance with the standards set forth by the Indian Arts and Crafts Board, shall bear the Government mark unless:
(a) Its weight is substantially in accord with Indian usage and custom.
(b) Its design elements are substantially in accord with Indian usage and tradition.
(c) Its workmanship is substantially that expected in good hand craftsmanship.
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.