(b) Experts and consultants
The Librarian may, in carrying out sections 179l to 179w of this title, procure temporary and intermittent services under section 3109(b) of title 5, but at rates for individuals not to exceed the daily equivalent of the maximum rate of basic pay payable for GS–15 of the General Schedule. In no case may a member of the Board or an alternate be paid as an expert or consultant under this section.