For the purpose of sections 76, 86 and 88, the relevant period in relation to a particular acquiring transaction shall, subject to section 86(2), be -
(a) where the Minister's consent is required by virtue of section 77 to a proposal of the Bank to approve or not to approve the transaction, the period of 6 months, and
(b) in every other case, the period of 3 months,
such period beginning on the date on which the Bank first receives a notification under section 82 or, where the Bank requests further information from an undertaking concerned under section 82, the date of receipt by the Bank of such information.