Nev. Rev. Stat. § 457.080
Upon the written request of the Division, delivered personally or by registered mail, any person or association engaged in, or representing that the person or association is engaged in, the diagnosis, treatment or cure of cancer shall furnish the Division with such sample as the Division may require of any drug, medicine, compound or device used or prescribed by such person or association, in the treatment or cure of cancer, and shall specify the formula of any such drug or compound used and name all ingredients by their common or usual name, and shall, upon like request by the Division, furnish such necessary information as the Division may request as to the composition and method of preparation of and the use to which any such drug, compound or device is being put by such person or association.
NRS 457.080