The tenant's initial share in the dwelling-house shall be a multiple of the prescribed percentage and shall not be less than the minimum initial share.
The prescribed percentage is 12.5 per cent. or such other percentage as the Secretary of State may by order prescribe.
The minimum initial share is 50 per cent. or such other percentage as the Secretary of State may by order prescribe.
An order under this section—
may make different provision with respect to different cases or descriptions of case, including different provision for different areas, and
may contain such transitional provisions as appear to the Secretary of State to be necessary or expedient.
An order under this section shall be made by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.