130.—(1) There shall be deducted from the discount an amount equal to any previous discount qualifying, or the aggregate of previous discounts qualifying, under the provisions of this section.
(2) A “previous discount” means a discount given before the relevant time—
(a)on conveyance of the freehold, or a grant or assignment of a long lease, of a dwelling-house by a person within paragraph 7 or 7A of Schedule 4 (public sector landlords) or, in such circumstances as may be prescribed by order of the Secretary of State, by a person so prescribed, or
(aa)on conveyance of the freehold, or a grant or assignment of a long lease of a dwelling-house by a person against whom the right to buy was exercisable by virtue of section 171A (preservation of right to buy on disposal to private sector landlord) to a person who was a qualifying person for the purposes of the preserved right to buy and in relation to whom that dwelling-house was the qualifying dwelling-house, or
(ab)in pursuance of the provision required by paragraphs 3 to 5 or paragraph 7 of Schedule 6A (redemption of landord’s share), or
(b)in pursuance of the provision required by paragraph 1 of Schedule 8 (terms of shared ownership lease: right to acquire additional shares), or any other provision to the like effect.
(3) A previous discount qualifies for the purposes of this section if it was given—
(a)to the person or one of the persons exercising the right to buy, or
(b)to the spouse of that person or one of those persons (if they are living together at the relevant time), or
(c)to a deceased spouse of that person or one of those persons (if they were living together at the time of the death);
and where a previous discount was given to two or more persons jointly, this section has effect as if each of them had been given an equal proportion of the discount.
(4) Where the whole or part of a previous discount has been recovered by the person by whom it was given (or a successor in title of his)—
(a)by the receipt of a payment determined by reference to the discount, or
(b)by a reduction so determined of any consideration given by that person (or a successor in title of his), or
(c)in any other way,
then, so much of the discount as has been so recovered shall be disregarded for the purposes of this section.
(5) An order under this section—
(a)may make different provision with respect to different cases or descriptions of case, including different provision for different areas, and
(b)shall be made by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.
(6) In this section “qualifying dwelling-house” includes any yard, garden, outhouses and appurtenances belonging to the dwelling-house or usually enjoyed with it.