28 C.F.R. § 36.401
(a) General.
(2) For purposes of this section, a facility is designed and constructed for first occupancy after January 26, 1993, only—
(b) Commercial facilities located in private residences.
(c) Exception for structural impracticability.
(d) Elevator exemption.
(1) For purposes of this paragraph (d)—
(ii) Shopping center or shopping mall means—
(2) This section does not require the installation of an elevator in a facility that is less than three stories or has less than 3000 square feet per story, except with respect to any facility that houses one or more of the following: