New South Wales Consolidated Acts New South Wales Consolidated ActsIn the case of an acknowledgment to the effect that a mortgage has been satisfied which was endorsed on such mortgage and signed previously to the thirteenth day of December, one thousand eight hundred and ninety-three, nothing contained in this Act, or in any Act hereby repealed, shall invalidate or affect any estate, right, or interest which has been acquired subsequent to such signing, or any other act or thing that would have been valid if this Act had not been passed.