23.—(1) Subject to paragraphs (2) to (4), the undertaker may acquire such rights over the Order land, or impose restrictive covenants affecting the Order land, as may be required for any purpose for which that land may be acquired under article 20 (compulsory acquisition of land) by creating them as well as acquiring rights already in existence.
(2) In the case of the Order land specified in column (1) of Schedule 5 (land in which only new rights etc. may be acquired) the undertaker's powers of compulsory acquisition are limited to the acquisition of such wayleaves, easements, new rights in the land or the imposition of restrictive covenants, as may be required for the purpose specified in relation to that land in column (2) of that Schedule.
(3) The power to impose restrictive covenants under paragraph (1) is exercisable only in respect of plots specified in column (1) of Schedule 5.
(4) Subject to Schedule 2A (counter-notice requiring purchase of land not in notice to treat) of the 1965 Act, as substituted by paragraph 5(8) of Schedule 6 (modification of compensation and compulsory purchase enactments for creation of new rights and imposition of restrictive covenants), where the undertaker acquires a right over land or the benefit of a restrictive covenant affecting land under paragraph (1) or (2), the undertaker is not required to acquire a greater interest in that land.
(5) Schedule 6 has effect for the purpose of modifying the enactments relating to compensation and the provisions of the 1965 Act in their application in relation to the compulsory acquisition under this article of a right over land by the creation of a new right or the imposition of a restrictive covenant.