N.H. Rev. Stat. Ann. § 14:7

As soon as possible after every final adjournment of a session of the general court, and in any case consistently with the schedule of performance set forth in contracts for printing and binding of the journals of the general court, the clerks of each house shall file with the printers of the permanent journals a copy of the proceedings of the respective houses in proper form for printing and corrected page proofs of each. The clerks, with the approval of the respective house or senate subcommittee of the joint committee on legislative facilities, may correct clerical errors or formal imperfections in the printed and bound permanent journals.