Step 4. File required forms for postage discounts and other mailing services (if needed) (See Section V).

• PS Form 3615, Mailing Permit Application and Customer Profile (for Permit Imprint and BRM permits) is available at https://about.usps.com/forms/ps3615.pdf.
• PS Form 3624, Application to Mail at Nonprofit USPS Marketing Mail Prices is available at https://about.usps.com/forms/ps3624.pdf.
• PS Form 3623, Request for Confirmation of Authorization (or Pending Application) to Mail at Nonprofit USPS Marketing Mail Prices is available at https://about.usps.com/forms/ps3623.pdf.
• PS Form 1093, Application for Post Office Box Service is available at https://about.usps.com/forms/ps1093.pdf.
• PS Form 1093-C, Application for Post Office Caller Service is available at https://about.usps.com/forms/ps1093c.pdf.
• PS Form 6805, BRM/QBRM Application for ZIP+4 Code Assignment/Validation and QBRM Approval is available at https://about.usps.com/forms/ps6805.pdf.