DMM TOC > 400 Commercial Parcels > 420 Priority Mail|
Priority Mail weighing 13 ounces or less may be deposited into any collection box, mail chute, or mail receptacle or at any place where mail is accepted if the full required postage is paid. Permit imprint mail must be presented at a Post Office under 604.5.0, Permit Imprint (Indicia), or 705, Advanced Preparation and Special Postage Payment Systems.
Priority Mail weighing more than 13 ounces must be presented at a Post Office retail counter if postage is paid with adhesive stamps. The sender may be required to provide identification before the mail is accepted by the USPS. Such mail may be presented by a sender known to the postal carrier at the sender's residence or place of business. Priority Mail weighing more than 13 ounces and not complying with the requirements of this section is returned to the sender for proper deposit.