Section R. 400.4566 - GaragesRule 566.
(1) Garages located beneath, or attached to , a facility shall have walls, partitions, floors, and ceilings separating the garage space from the rest of the facility by construction with not less than a 1-hour fire resistance rating.(2) In existing facilities, garages located beneath or attached to the facility approved before November 30, 1983 shall continue to be approved until the facility is converted or the portion of the facility containing the garage is remodeled.Mich. Admin. Code R. 400.4566
1983 AACS; 2015 MR 9, Eff. June 8, 2015