Pub. L. 101-509, tit. V, sec. 507

Sec. 507. None of the funds made available to the General Services Administration pursuant to section 210(f) of the Federal Property and Administrative Services Act of 1949 shall be obligated or expended after the date of enactment of this Act for the procurement by contract of any service which, before such date, was performed by individuals in their capacity as employees of the General Services Administration in any position of guards, elevator operators, messengers, and custodians, except that such funds may be obligated or expended for the procurement by contract of the covered services with sheltered workshops employing the severely handicapped under Public Law 92–28.