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Extra Services | Postal Explorer - USPS
Some extra services include insurance, Certified Mail, COD, Registered Mail, Adult Signature, USPS Tracking, Signature Confirmation and more.
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DMM 503 Extra Services - Postal Explorer
USPS Tracking/Delivery Confirmation — Privately printed or computer-generated sheets that contain the same information as Form 3877 may be approved by the ...
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Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) * * * * * 500 Additional Mailing Services * * * * * 508 Recipient Services ...
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