19Where—
(a)a compulsory purchase order made under section 34 or 35 of the 1984 Act,
(b)a vesting order, or an application for a vesting order, made under section 36 of that Act, or
(c)an authorisation given by the Secretary of State under section 37, 38 or 39 of that Act,
is effective immediately before the commencement of Schedule 4 to this Act, it is to have effect after the commencement of that Schedule as if made or given under that Schedule.