2010 ADA Standards for Accessible Design Pocket Guide

707.3 Operable Parts.

Operable parts shall comply with 309. Unless a clear or correct key is provided, each operable part shall be able to be differentiated by sound or touch, without activation. [S.H. 4.34.3], [S.H. 4.34.5]

EXCEPTION: Drive-up only automatic teller machines and fare machines shall not be required to comply with 309.2 and 309.3.