Webget answers to frequently asked questions about mailability determination and other usps services. Weba mailability determination may be required based on the mailer’s disclosure concerning the contents at the time of mailing. 221. 2 ancillary endorsements. Webjul 28, 2023 · usps hold for mailability determination: Get to know what it means and how it can affect your mail delivery. Learn how usps handles mail items that are not approved for mailing due to various reasons, and how you can ensure that your mail is. Webhi, what does it mean when usps says a package is “held for mailability determination” ? Webgoverning mailability and preparation for mailing, as well as nonpostal laws and regulations on the possession, treatment, transmission, or transfer of particular matter. Webeffective august 29, 2021, the postal service™ will revise mailing standards of the united states postal service, domestic mail manual (dmm ®), sections 508. 11. 1. 1 and. Webheld for mailability determination happens when a package is sent using a certain service, usps holds the package until they can determine if it complies with all. Learn about factors such as packaging, labeling,.