(a) Advisory Committee members may be reimbursed by the Commission by a per diem subsistence allowance and for travel expenses at rates not to exceed those prescribed by Congress for Government employees, for the following activities only:
(1) Attendance at meetings, as provided for in § 703.8; and
(2) Any activity specifically requested and authorized by the Commission to be reimbursed.
(b) Members will be reimbursed for the expense of travel by private automobile on a mileage basis only to the extent such expense is no more than that of suitable public transportation for the same trip unless special circumstances justify the additional expense of travel by private automobile.