13.—(1) Ym mharagraffau 5, 6 a 7 o Atodlen 1A i'r prif Reoliadau (cyfnodau dilysrwydd hawl) yn lle'r gair “student” rhoddir “full-time student” bob tro.
(2) Yn y Nodyn i Atodlen 1A ar ôl y diffiniad o “remunerative work” ychwanegir—
““full-time student” has the meaning assigned to it by regulation 61 of the Income Support (General) Regulations 1987”.