Ordinary USPS Certified Mail can generally be signed for by the addressee or an authorized agent. Restricted Delivery adds tighter recipient requirements. A signature-required letter is not automatically restricted to the person named on the envelope. [1]
Check the purchased service
Certified Mail supplies evidence of mailing and delivery information. Return Receipt is a separate service supplying a delivery record. Restricted Delivery changes who may receive the piece; Adult Signature services impose additional age requirements. The exact endorsements control. [2]
An authorized agent can receive mail under USPS delivery rules. Merely sharing an address does not resolve every authorization question. Businesses and residential addresses may have different delivery arrangements, and restricted items require the applicable authorization. [1]
If the carrier leaves a notice
Read the delivery notice for pickup or redelivery instructions. Bring identification and any required authorization. If someone else will collect the item, check USPS’s rules before sending that person to the counter. [1]
- Ask the sender whether Restricted Delivery was purchased.
- Confirm the name and address on the notice.
- Arrange a permitted agent authorization.
- Keep tracking and signature records if receipt matters to a dispute.
A postal signature does not decide legal service
A mailed summons, tax notice, or contractual notice may have separate legal requirements. Someone’s USPS signature can prove delivery while leaving a different question about whether a court’s service rule was satisfied. Refusing the envelope likewise does not necessarily prevent legal consequences. [1]
Practical application
Suppose a sender needs the named recipient personally to receive a legal notice. Buying ordinary Certified Mail and assuming no agent can sign creates a mismatch between the intended protection and the service purchased. Confirm the delivery restriction with USPS and then check the separate law governing the notice. Save the mailing receipt as well as the eventual tracking and signature evidence. [1]
Confirm an agent’s actual authority
If an agent will accept delivery, check whether the service permits that agent and what written designation USPS requires. The sender’s chosen restrictions remain important even when the recipient routinely lets someone collect ordinary mail. [1] [2]
Related questions
Related guidance: Certified Mail and service of court papers and USPS lost-mail claims.
Primary sources
Sources checked: October 31, 2026.