Idaho Code § 18-7207
Every person, corporation or association, or the agent of any person, corporation or association, engaged in milling, sampling, concentrating, reducing, shipping or purchasing ores in this state, who in any manner knowingly alters or changes the true value of any ores delivered to him or them, so as to deprive the seller of the result of the correct value of the same, or who issues any bill of sale or certificate of purchase that does not exactly and truthfully state the actual weight, assay value and total amount paid for any lot or lots of ore purchased, or who, by any secret understanding or agreement with another, issues a bill of sale or certificate of purchase that does not exactly and truthfully state the actual weight, assay value and total amount paid for any lot or lots of ore purchased, or who, by any secret understanding or agreement with another, issues a bill of sale or certificate of purchase that does not truthfully and correctly set forth the weight, assay value and total amount paid for any lot or lots of ore purchased by him, is guilty of a misdemeanor, and shall be punished as provided in the preceding section.
Idaho Code § 18-7207