21.—(1) Part 2 of the 2004 Act (local development), except as mentioned in regulations 22 and 23, and the 2004 Regulations shall have effect until the reorganisation date—
(a)in relation to a successor council, as if it were both a district council and a county council;
(b)in relation to a predecessor council which is a district council, as if it were not a local planning authority;
(c)in relation to a predecessor council which is a county council, as if it did not have functions under section 14 (survey of areas: county councils) or 16 (minerals and waste development scheme) of the 2004 Act.
(2) A predecessor council shall continue to be a relevant authority for the purposes of the 2004 Regulations.