731. Repayment interest on sums to be paid by Her Majesty's Revenue and Customs.

Any amount that is payable by HM Revenue and Customs to any person under or by virtue of an enactment, and a relevant amount paid by a person to HMRC that is repaid by HMRC to that person or to another person, carries interest at the repayment interest rate from the repayment interest start date until the date on which the payment or repayment is made