500
Additional Services
503 Extra Services
Extra Services for Express Mail
Registered Mail
Certified Mail
Insured Mail
Certificate of Mailing
Return Receipt
Restricted Delivery
Return Receipt for Merchandise
Delivery Confirmation
Signature Confirmation
Collect on Delivery (COD)
Special Handling
Confirm Service and IMb Tracing
Money Orders
505 Return Services
Business Reply Mail (BRM)
Permit Reply Mail
Merchandise Return Service
USPS Return Services
Parcel Return Service
Bulk Parcel Return Service
507 Mailer Services
Treatment of Mail
Forwarding
Address Correction Services
Requesting Withdrawal and Disposal of a Mailing
Pickup on Demand Service
Mailing List Services
Address Sequencing Services
508 Recipient Services
Recipient Options
Conditions of Delivery
Customer Mail Receptacles
Post Office Box Service
Caller Service
General Delivery
Firm Holdout
Pandering Advertisements
Sexually Oriented Advertisements
509 Other Services
Address Information System Services
Nonpostal Services
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