Home > About USPS & News > Forms & Publications > Postal Periodicals and Publications > Publications > Publication 401 - Guide to Manifest Mailing System > 8 Postal Service ManagementResponsibilities > 8-4 Authorization Term
8-4.1 All systems are permanently authorized until such time that reviews or other information indicates that the system is not functioning sufficiently to protect postal revenue. See 10-3.3 regarding managing deficient systems.