(1)Where an offer to sell is served on a tenant and he wishes to exercise his right to purchase and—
(a)he does not dispute the terms of the offer to sell by timeously serving a notice setting out a request under section 65(1) or by referring the matter to the Lands Tribunal under subsection (1)(d) of section 71; or
(b)any such dispute has been resolved;
the tenant shall, subject to section 67(1), serve a notice of acceptance on the landlord within 2 months of whichever is the latest of—
(i)the service on him of the offer to sell;
(ii)the service on him of an amended offer to sell (or if there is more than one, of the latest amended offer to sell);
(iii)a determination by the Lands Tribunal under section 65(3) which does not require service of an amended offer to sell;
(iv)a finding or determination of the Lands Tribunal in a matter referred to it under section 71(1)(d) where no order is made under section 71(2)(b);
(v)the service of an offer to sell on him by virtue of subsection (2)(b) of section 71;
(vi)where a loan application under subsection (2)(a)(i) of section 216 (loans) has been served on the landlord, the service of a relative offer or refusal of loan; or
(vii)where section 216(7) (loans) is invoked, the decision of the court.
(2)Where an offer to sell (or an amended offer to sell) has been served on the tenant and a relative notice of acceptance has been duly served on the landlord, a contract of sale of the house shall be constituted between the landlord and the tenant on the terms contained in the offer (or amended offer) to sell.