89.—In this Chapter—

F64[“dwelling” means a dwelling provided by a housing authority under this Act of which they are the owner and includes any shop, outoffice, yard, garden or other land appurtenant thereto or usually enjoyed therewith;]

F65[“purchase money”, in relation to a dwelling, means—

(a) the purchase price of the dwelling after taking into account any reduction in the price as a result of any discount or other allowance made by the housing authority concerned, and

(b) any interest payable on the amount determined in accordance with paragraph (a) of this definition;

“purchaser” means the person (including a housing authority) to whom a sale is made and includes a successor in title of that person and the personal representative of that person or successor in title;

“sell”, in relation to a dwelling, means to sell or exchange a freehold or leasehold estate or interest, and cognate words shall be construed accordingly;]

“special condition” means a condition requiring that—

(a) payments in respect of the purchase money shall be made punctually on the due dates,

(b) the dwelling shall, unless the housing authority otherwise allow, be occupied as a normal place of residence by the purchaser or the purchaser's successor in title or by a member of the purchaser's family or the family of his successor in title,

(c) the dwelling or any part thereof shall not, without the consent of the housing authority, be mortgaged, charged or alienated otherwise than by devise or operation of law.