RM5252 | Management and security: Check custodian RE following proceduresFrom HM Revenue & Customs · Repayment Claims ManualDetailsTwice a year check thatthe custodian RE is keeping under lock and key the sealed envelopes received from the Issuing Officer (RM3288)andthe envelopes are being put into a securely closed mail sack when the mail is despatched (RM3288).PreviousNext