Pub. L. 90-351, tit. I, pt. E, sec. 517

Sec. 517. The Administration is authorized to appoint such technical or other advisory committees to advise the Administration with respect to the administration of this title as it deems necessary. Members of such committees not otherwise in the employ of the United States, while attending meetings of the committees, shall be entitled to receive compensation at a rate to be fixed by the Administration but not exceeding $75 per diem, and while away from home or regular place of business they may be allowed travel expenses, including per diem in lieu of subsistence, as authorized by section 5703 of title 5, United States Code, for persons in the Government service employed intermittently.