Paragraph 51 Duty to review
United Kingdom
(1)
An officer of Revenue and Customs must review a decision if—
(a)
P has notified HMRC under paragraph 49 accepting the offer of a review, or
(b)
a person other than P has notified HMRC under paragraph 50 that they require a review.
(2)
But the officer must not review the decision if any person who has the right to appeal against the decision has done so before HMRC has been notified as described in sub-paragraph (1).