" acquiring authority ", in relation to the acquisition under or for the purposes of this Act of any land (whether compulsorily or by agreement) or to a proposal so to acquire any land, means the development corporation, local highway authority or Minister of the Crown by whom the land is, or is proposed to be, acquired ;

" the Commission " means the Commission for the New Towns;

" common " includes any land subject to be enclosed under the Inclosure Acts 1845 to 1882, and any town or village green;

" compulsory purchase order " means an order under section 10(1) or section 11(1) or (2) above ;

" development " includes re-development and " develop " shall be construed accordingly ;

" development corporation " has the meaning given by section 3 above;

" ecclesiastical property " means land belonging to an ecclesiastical benefice, or being or forming part of a church subject to the jurisdiction of a bishop of any diocese or the site of such a church, or being or forming part of a burial ground subject to such jurisdiction ;

" enactment ", except in Schedule 10 to this Act, includes an enactment in any local or private Act of Parliament, and an order, byelaw or scheme made under an Act of Parliament;

" fuel or field garden allotment " means any allotment set out as a fuel allotment, or a field garden allotment, under an Inclosure Act;

" held inalienably ", in relation to land belonging to the National Trust, means that the land is inalienable under section 21 of the M1National Trust Act 1907 or section 8 of the M2National Trust Act 1939 ;

" land " includes messuages, tenements, and hereditaments, houses, and buildings of any tenure ;

" local authority " means the council of a county, district, London borough, parish or community, the Common Council of the City of London and any other authority being a local authority within the meaning of the M3Local Loans Act 1875, and includes a local highway authority, any drainage board and any joint board or joint committee if all the constituent authorities are such local authorities as are mentioned above ;

"local highway authority " means a highway authority other than the Secretary of State ;

" National Trust " means the National Trust for Places of Historic Interest or Natural Beauty incorporated by the National Trust Act 1907 ;

" open space " means any land laid out as a public garden, or used for purposes of public recreation, or land being a disused burial ground ;

"owner ", in relation to any building or land, means a person, other than a mortgagee not in possession, who is for the time being entitled to dispose of the fee simple of the building or land, whether in possession or reversion, or who holds or is entitled to the rents and profits of the building or land under a lease or agreement of which the unexpired term exceeds 3 years ;

" planning permission " means permission under Part III of the M4Town and Country Planning Act 1971 ;

" prescribed " (except in relation to matters expressly required or authorised by this Act to be prescribed in some other way) means prescribed by regulations under this Act;

" trolley vehicle " means a mechanically propelled vehicle adapted for use on roads without rails and moved by power transmitted to it from some external source ;

"Valuation Office" means the Valuation Office of the Inland Revenue Department.