24.—Where on or after the 6th day of December, 1922, and before the operative date a claim in respect of any former crown rent or in respect of any former crown reversion or estate expectant on the determination of an estate tail or a base fee was withdrawn (whether in proceedings under the Land Purchase Acts or otherwise) by the Quit Rent Office in consideration of the payment of any sum, such withdrawal is hereby confirmed and such claim shall cease to be enforceable.