Section 33B | Review by HMRC F1
From legislation.gov.uk
(1)HMRC must review a decision if—
(a)they have offered a review of the decision under section 33A, and
(b)P notifies HMRC accepting the offer within 30 days from the date of the document containing the notification of the offer.
(2)But P may not notify acceptance of the offer if P has already appealed to the appeal tribunal under section 33F.
(3)HMRC shall not review a decision if P has appealed to the appeal tribunal under section 33F in respect of the decision.