Where the original disposal consisted of entering into a contract, the requisite majority of qualifying tenants of the constituent flats may by notice to the landlord elect that the contract shall have effect as if entered into not with the purchaser but with a person or persons nominated for the purposes of this section by the requisite majority of qualifying tenants of the constituent flats.
Any such notice must be served before the end of the period of six months beginning—
have been served on the requisite majority of qualifying tenants of the constituent flats.
The notice shall not have effect as mentioned in subsection (1) unless the nominated person—
Unless otherwise agreed, any time limit in the contract as it has effect by virtue of a notice under this section shall start to run again on the service of that notice; and nothing in the contract as it has effect by virtue of a notice under this section shall require the nominated person to complete the purchase before the end of the period of 28 days beginning with the day on which he is deemed to have entered into the contract.