31Special provisions as to land used in common by tenants of certain buildings.
(1)If, in the case of any building or block of buildings to which this section applies, there is adjacent thereto any land used in common by the occupiers of the building or block, a request in writing, signed by more than one-half in number of the occupiers of the separate parts of the building or block, that the local authority should utilise that land for the construction or erection of an air-raid shelter shall confer upon the local authority the like rights as respects entry upon the land and the execution of works thereon as they would possess if the request had been and continued to be concurred in by all persons in any way interested in the land.
(2)In this section the expression " building or block of buildings to which this section applies" means a building or block of buildings which is situated in an area specified in an order made by the Minister under Part III of this Act, is wholly or mainly used for residential purposes and is let out in separate parts :
Provided that—
(a)so much of any building or block of buildings as consists of, or is comprised in, any factory premises or commercial building shall be disregarded;
(b)the said expression does not include any building or block of buildings the owner of which may be required to provide air-raid shelter in accordance with a scheme prepared under the last preceding section.