((a)) Any set of the Precedents printed and bound pursuant to subsection (a) of , not needed to carry out the distributions required by sections 28b to 28e of this title, shall be distributed under the direction of the Joint Committee on Printing.

((b)) The Joint Committee on Printing may from time to time authorize and direct that additional sets of the Precedents, be printed, bound, and distributed in such manner as the Joint Committee determines will best carry out the purposes of sections 28b to 28e of this title.