This part sets forth policies and procedures for the enforcement of standards and requirements for accessibility by the physically handicapped imposed:

(a) For nonresidential buildings or facilities by regulations issued by the General Services Administration at subchapter D of the Federal Property Management Regulations, subpart 101-19.6—Accommodations for the Physically Handicapped, or

(b) By regulation or contract under any other program of the Department, except a program subject only to standards or requirements at 24 CFR part 8 imposed pursuant to section 504 of the Rehabilitation Act of 1973.