Panel members referred to in subsection (a)(3) and (4) of this section shall receive compensation for each day they are performing their duties (including traveltime) at the daily equivalent of the maximum rate payable for grade GS–18 of the General Schedule under section
5332 of title
5, except that the member who is also a member of the Federal Service Impasses Panel shall not be entitled to pay under this subsection for any day for which he or she receives pay under section
7119
(b)(4) of title
5. Members of the Panel shall be entitled to travel expenses as provided under section
5703 of title
5.