(a) Every public building, except those enumerated in section 323(a)(1)–(5) of this title, the construction of which is commenced after July 1, 1978, on each floor that is accessible to disabled persons, including persons in wheelchairs, which has public toilets shall have:
(1) all public toilet rooms and at least one toilet compartment therein so designed and constructed that they will be suitable for entry and use by handicapped persons, including persons in wheelchairs;
(2) the toilet compartment specified in paragraph (1) of this subsection so designed and constructed as to allow sufficient space between the entrance of the compartment and adjacent furniture, fixtures or walls to permit the compartment door to open at least 95 degrees and to allow a person in a wheelchair ample room to readily maneuver himself or the wheelchair into the compartment; and
(3) at least one lavatory, sink, mirror and towel dispenser or hand drier in each public toilet room accessible to a disabled person, including a person in a wheelchair, if such item is provided for persons who are not disabled.
(b) Within 90 days after February 24, 1978, the Commissioner of Planning and Natural Resources shall promulgate regulations regarding specifications to effect the requirements of subsection (a) of this section. In adopting said regulations, the Commissioner shall be guided by the specifications established in the most current revision of “American Standard Specifications for Making Buildings and Facilities Accessible to, and Usable by, the Physically Handicapped”, published by the American Standards Association, New York, New York.