Article 4
Any order authorising the compulsory acquisition of land by the Greater London Council for the purpose of providing or extending a park or open space (whether confirmed before the coming into operation of this order or submitted for confirmation before or after such coming into operation) may be amended by the Secretary of State by the substitution, as the authority to be authorised to acquire the land comprised therein, of one or more of the following councils, namely the London borough councils, the Common Council of the City of London and, in relation to any land outside Greater London, the councils of counties and county districts in whose area any of the land is situated, and thereafter the order shall have effect, or be considered and if confirmed have effect, accordingly.