(a) Additional Requirement for the Construction, Alteration, and Acquisition of Public Buildings.—Except as provided in subsection (b) and subject to any reasonable accommodations that may be made for individuals in accordance with the Americans with Disabilities Act (42 U.S.C. 12101 et seq.) restrooms in a public building shall be equipped with baby changing facilities that the Administrator determines are physically safe, sanitary, and appropriate.

(b) Exceptions.—The requirement under subsection (a) shall not apply—

(1) to a restroom in a public building that is not available or accessible for public use;

(2) to a restroom in a public building that contains clear and conspicuous signage indicating where a restroom with a baby changing table is located on the same floor of such public building;

(3) if new construction would be required to install a baby changing facility in the public building and the cost of such construction is unfeasible; or

(4) to a building not subject to an alteration as set forth in section 3307.

(1) Baby changing facility.—The term "baby changing facility" means a table or other device suitable for changing the diaper of a child age 3 or under.

(2) Pubic 1 building.—The term "public building" means a public building as defined in section 3301 and controlled by the Public Building Service of the General Services Administration.