Section 6 Taxing officer empowered to call for books and papers.

The said taxing officer shall be empowered to call for the production of any books or writings in the hands of any party to such taxation relating to the matters of such taxation: Provided always, that nothing herein contained shall be construed to authorize such taxing officer to determine the amount of fees which may have been payable to the House of Commons in respect of the proceedings upon any private bill.