Upon request by the budget committee, the governing body of the town or district, or the town manager or other administrative official, shall forthwith submit to the budget committee a comparative statement of all appropriations and all expenditures, including all sub-accounts used by the governing body, by them made in such additional detail as the budget committee may require. The budget committee shall meet periodically to review such statements. The provisions of this section shall not be construed to mean that the budget committee, or any member of the committee, shall have any authority to dispute or challenge the discretion of other officials over current town or district expenditures, except as provided in N.H. Rev. Stat. § 32:23.