(1) An agency or Minister must take all reasonable steps to enable an applicant to be notified of a decision on a request as soon as practicable but not later than—
(a) 30 days after the day on which the request is received by or on behalf of the agency or Minister; or
(b) if that period is extended or further extended, the day after that period as extended ends.
(2) An agency or Minister may extend the period for deciding a request referred to in subsection (1)(a)—
(a) if consultation is required under section 29, 29A, 31, 31A, 33, 34 or 35, by a period of not more than 15 days; or
(b) in any case, by a period of not more than 30 days, as agreed by the applicant.
(3) An agency or Minister may further extend a period for deciding a request in accordance with subsection (2)(b) any number of times.
(4) An agency or Minister must notify the applicant in writing if the period for deciding a request is extended or further extended under this section.
(5) The period for deciding a formal request cannot be extended or further extended under this section if that period has expired.