(1) These requirements apply to special purpose personnel elevators installed prior to January 1, 1999, in facilities in which agricultural products are stored, food products are processed, goods are manufactured, energy is generated, or similar industrial or agricultural processes are performed.

(2) Where a special purpose personnel elevator was installed after January 1, 1999, the conveyance shall comply with the edition of ASME A17.1 or A17.1/B44 that was in effect at the time.