For section 31(3) of the Sale of Land Act 1962 substitute —
"(3) A notice under subsection (2) must, within 3 clear business days after the purchaser has signed the contract—
(a) be given to one of the following persons—
(i) the vendor;
(ii) an agent of the vendor;
(iii) an estate agent engaged or appointed by the vendor to sell the land; or
(b) be left at one of the following addresses—
(i) the address for service of the vendor specified in the contract;
(ii) the address of the vendor's agent;
(iii) the address of the estate agent engaged or appointed by the vendor to sell the land.".