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About the Adult Signature Tab

The optional Adult Signature service allows commercial and online shippers to request the verified signature of an adult upon delivery.

Note: Because the Adult Signature Required and Adult Signature Restricted services include both delivery and signature confirmation features, you should not additionally select the separate signature services.

Your choices are:

Adult Signature Required—requires the signature of anyone 21 years of age or older at the recipient address.
Adult Signature Restricted Delivery—requires the signature of the addressee only or their designee, who must be 21 years of age or older.
None

The Adult Signature Required and Adult Signature Restricted Delivery services are currently not available to APO/FPO/DPO destinations or any US territory, possession, or freely associated state, except Puerto Rico and the US Virgin Islands.

For procedures, see Specify Adult Signature.

For more information, see the USPS Domestic Mail Manual.