256.—(1) Mae erthygl 2 wedi ei diwygio fel a ganlyn.
(2) Yn y diffiniad o “approved measure”, yn lle “the Commissioners” rhodder “the appropriate authority”.
(3) Yn y diffiniad o “inspector”, ar ôl “the Commissioners” mewnosoder “or the Welsh Ministers”.
(4) Ar ôl y diffiniad o “repair” mewnosoder—
““the appropriate authority” means—
the Commissioners, in relation to England and Scotland;
the Welsh Ministers, in relation to Wales;”.