Section 31 of the Powers & Privileges of Parliament Act 91 of 1963, as repealed by Section 31 of the Powers, Privileges and Immunities of Parliament and Provincial Legislatures Act 4 of 2004 states that the control of the expenditure and the appropriation of moneys for the services of Parliament shall be vested in the Speaker of the National Assembly and the Chairperson of the National Council of Provinces, and his/her authorisation for such expenditure and appropriation of moneys, as well as receipts issued by the accounting officer referred to in subsection (2) on his/her behalf, with reference to all matters affecting those services shall, notwithstanding anything to the contrary contained in any law but subject to the provisions of this section, be taken to be in all respects good, valid and effectual.