Michigan Compiled Laws, Chapter 290. Weights, Measures and Standards § 290.357

Sec. 7. Any person who shall sell or offer for sale any galvanized wire fence tagged or labeled with the tag or label prescribed in section 6 of this act  1 without having the same tested as prescribed in this act and without paying the required fee and procuring the certificate provided for by this act, or which is found to be of an inferior grade or gauge to that specified on such tag or label, when submitted to the test provided for in section 8 of this act,  2 shall be guilty of a misdemeanor, and upon conviction thereof shall be punished by a fine of not less than 100 dollars for each offense, or by imprisonment in the county jail or house of correction for a period not exceeding 6 months or by both such fine and imprisonment in the discretion of the court, and in addition to such fine and imprisonment, such convicted person shall be liable for all damages sustained by the purchaser on account of such misrepresentation. The state board of agriculture shall have authority to institute prosecutions through the proper officers for all violations of this act: Provided, That an average maximum variation of .003 of an inch will be permitted in the gauge of such wire of which the fence is composed.