Section R. 408.41133 - Special-purpose laddersRule 1133.
(1) A special-purpose ladder may be capable of being used as a step ladder, a single or extension ladder, or a trestle ladder.(2) A special-purpose ladder, when used as any of the types of ladders listed in subrule (1) of this rule, shall meet the requirements of the applicable rules of this part.(3) A special-purpose ladder may be used by more than 1 employee if specifically designed for that purpose.Mich. Admin. Code R. 408.41133