RM3062 | Computer issued payable order: Repayments Release Lists in IROs
From HM Revenue & Customs · Repayment Claims Manual
In each Management Unit of an IRO, all the repayments which are ready for issue at the end of the day will be included on a Repayment Release List the following morning.
Each list will
have a different Release List number beginning with the letter C
contain up to 50 entries
be printed in reference number order.