Members of the Advisory Committee, and advisory or technical personnel appointed pursuant to subsection (c) of this section, while attending meetings or conferences of the Advisory Committee or otherwise serving on business of the Advisory Committee, shall be entitled to receive compensation at rates fixed by the Secretary, but not exceeding $100 per day including travel time and while serving away from their homes or regular places of business they may be allowed travel expenses, including per diem in lieu of subsistence, as authorized by section
5703 of title
5 for persons in the Government service employed intermittently.