Mich. Admin. Code R. 408.31060d
Rule 1060d. The definitions of "building" and "building official" in section 202 of the code are amended to read as follows:
Building. "Building" means a combination of materials, whether portable or fixed, forming a structure affording a facility or shelter for use or occupancy by persons, animals, or property The term does not include a building incidental to the use for agricultural purposes of the land on which the building is located if it is not used in the business of retail trade. The term shall be construed as though followed by the words "or part or parts of the building and all equipment in the building" unless the context clearly requires a different meaning.
Building Official. "Building official" means the person who is appointed and employed by a governmental subdivision, who is charged with the administration and enforcement of the state codes specified in R 408.30499 of the Michigan Building Code, and who is registered in accordance with the requirements of 1986 PA 54, MCL 338.2301 to 338.2313.
Mich. Admin. Code R. 408.31060d