Every mention of or reference to the Exchequer or the Comptroller and Auditor-General contained in any British Statute shall in respect of the doing or not doing of any act, matter or thing after the 6th day of December, 1922, in Saorstát Eireann, under or in pursuance of such Statute be respectively construed and take effect where the context so admits or requires as a mention of or reference to the Exchequer of Saorstát Eireann or to the Comptroller and Auditor-General of Saorstát Eireann as the case may require.