8(1)Where an authorisation has been given under section 326(7) or (8) the Treasury may withdraw the authorisation and stipulate the date on which the withdrawal is to become effective; and the withdrawal shall have effect as regards any contract not entered into before the stipulated date.
(2)No withdrawal under this paragraph shall be effective unless the Treasury—
(a)send a notice by post to the society or institution concerned informing it of the withdrawal, and
(b)do so not less than 28 days before the stipulated date.
(3)A withdrawal of an authorisation shall not affect the Treasury’s power to give another authorisation or other authorisations.