The fee and postage may be paid with ordinary postage stamps, meter stamps, or permit imprints. If a permit imprint is used, the exact amount of postage and fees paid must be shown within the permit imprint. For pieces that are part of a manifest mailing, only the registry fee must be shown within the permit imprint. The fee and postage on official mail of authorized federal agencies may also be paid with penalty stamps, penalty meter stamps, or penalty permit imprints. The fees and postage on items registered with merchandise return service are paid through a postage due account under S923 .
Insurance is included in the fee.
2.4 Refund A fee for registered mail is not refunded after the USPS accepts the mail even if the sender later withdraws the mail under 3.10 . A fee for return receipt service or restricted delivery service is not refunded unless the USPS fails to provide the service. The sender must present the registered mail receipt showing payment of these services. 2.5 Official Mail Official mail of authorized government agencies, if prepared under applicable standards in E060 for transmission of mail without prepayment of postage, may be sent by registered mail without prepayment of a registration fee. 2.6 Merchandise Return Matter registered with merchandise return service under S923 may be sent by registered mail without prepayment of postage and fees.