CASS™ and MASS™ Guidelines

Site Index

Mailing and Shipping
Promotions & Incentives
- - USPS Mailing Services team provides strategic incentives, offering various benefits and advantages to businesses and individuals.
    
    New! Mailing Services Incentives | PostalPro (usps.com)
    
    USPS Mailing Promotions seek to increase engagement and response rates for Mailers by leveraging high value mailpieces.
- - 2024 Promotions Calendar
    
    View 2024 Promotions
    
    New users can sign up for the 2024 Promotions at the Business Customer Gateway.
    
    For ideas on new or existing Promotions, please fill out this form.
    
    Looking to implement tech in your mail? Visit the Tech Directory.
Industry Forum
- - - Industry Outreach
    - Mailers' Technical Advisory Committee (MTAC)
  - - National Postal Forum (NPF)
      - Registration
    - Postal Customer Council® (PCC)
    - Areas Inspiring Mail (AIM)
      - Calendar of Events
      - Area Inspiring Mail (AIM) National Meeting - July 28, 2021
        
        Video Presentation
        
        Slide Presentation
Operations
- - Find Your Local Business Mail Entry Unit
  - Make a FAST (Facility Access and Shipment Tracking) Appointment
Certifications
Resources
Contact