NRS 519.120: Assayers to identify bullion or amalgam; penalty for refusal or neglect to comply.

1. Every person or firm engaged in the business of assaying within this state shall be required to place a written description, pasted on or stamped upon every bar of bullion or amalgam melted, retorted, assayed or refined by such person or firm, containing the name of the person or company by whom such bullion or amalgam was deposited with or sold to such person or firm.

2. Every person or firm engaged in the business of assaying within this state who shall neglect or refuse to comply with the provisions of this section shall be guilty of a gross misdemeanor.