The development and maintenance of standards covering the design, construction, installation, operation, inspection, testing, maintenance, alteration, and repair of inclined stairway chairlifts and inclined and vertical platform lifts intended for transportation of a mobility impaired person only. The device shall have limited vertical travel, operating speed and platform area. Operation shall be under continuous control of the user/attendant. The device shall not penetrate more than one floor. A full passenger enclosure on the platform shall be prohibited.