1927 Mich. Pub. Acts 891,An Act to Regulate and License the Selling, Purchasing, Possessing and Carrying of Certain Firearms, § 9.

SEC. 9. On or before the first day of November, nineteen hundred twenty-seven, any person within this state who owns or has in his possession a pistol as defined in this act, shall, if he reside in an incorporated city or an incorporated village having an organized police department, present such weapon for safety inspection to the commissioner or chief of police of such city or village; if such person reside in a part of the county not included within the corporate limits of such city or village he shall so present such pistol for safety inspection to the sheriff of such county. Any person owning or coming into possession of a pistol after the first day of November, nineteen hundred twenty-seven, shall forthwith present such pistol for safety inspection in the manner provided in this section. A certificate of inspection shall thereupon be issued in triplicate on a form provided by the commissioner of public safety, containing the name, age, address, description and signature of the person presenting such pistol for inspection, together with a full description thereof; the original of such certificate shall be delivered to the registrant; the duplicate thereof shall be mailed to the commissioner of public safety and field and indexed by him and kept as a permanent official record for a period of six years, and the triplicate of such certificate shall be retained and filed in the office of said sheriff, or commissioner or chief of police, as the case may be. The provisions of this section shall not apply to wholesale or retail dealers in firearms or to collections of pistols kept solely for the purpose of display, as relics, souvenirs, curios or antiques, nor to weapons heretofore registered under the provisions of section eleven of act number three hundred thirteen of the public acts of nineteen hundred twenty-five. Any person who fails to comply with the provision of this section shall be guilty of a misdemeanor and shall be punished by a fine not exceeding one hundred dollars or imprisonment in the county jail not exceeding ninety days, or by both such fine and imprisonment in the discretion of the court.