To accommodate disabled persons in your cashier operations, it is recommended that at least one (1) of your booths conform to the requirements of the Americans with Disabilities Act (ADA). Our model 75HC is a 5'-4'' x 7'-6'' unit, with the entry door sized and located to best meet the law. Note the cashier window, work counter, and all HVAC controls must be located lower to the floor. For additional details on the scope of ADA as it applies to parking cashier booths.