Mich. Comp. Laws § 339.5917: Antique steam boiler; compliance with rules; inspection; certificate of inspection.

Sec. 917.

An antique steam boiler shall comply with the rules promulgated by the board and shall be inspected once every 3 years. An owner of an antique steam boiler may request an inspection more often than every 3 years. An antique steam boiler used for commercial purposes shall be inspected annually. The department shall issue a certificate of inspection if the antique steam boiler is in compliance with the applicable rules.