Sch 4 para 9
(1) This paragraph applies to a conveyance or grant executed in pursuance of Chapter I of Part I of the Housing Act 1980 (the right to buy) before 26th August 1984, when Part I of the Housing and Building Control Act 1984 came into force. (2) Where the conveyance or grant contains the covenant required by section 8(1) of the 1980 Act (repayment of discount on early disposal), the covenant has effect with such modifications as may be necessary to bring it into conformity with the amendments made by section 5 of the 1984 Act. (3) Where the conveyance or grant contains such a covenant as was mentioned in section 19(1) of the 1980 Act (restriction on disposal of dwelling-houses in National Parks, &c.), the covenant— (a) is binding not only on the purchaser and any successor in title of his but also on any person deriving title under him or any such successor, and (b) has effect with such modifications as may be necessary to bring it into conformity with the amendments made by section 8 of the 1984 Act.