These additional mail services are available upon request at additional cost to the IC.
- Certified Mail - Provides a mailing receipt and a record of delivery is maintained at the post office of address.
- Registered Mail - Provides the most secure USPS option offered. It is designed to provide added protection for valuable and important mail. Registered Mail may be insured for up to $25,000.
- Return Receipt - (PS Form 3811 for Domestic Mail and PS Form 2856 for International Mail) - Provides the sender with proof of delivery. It shows who signed for the piece and the date it was delivered.
- Delivery Confirmation - Provides the mailer with information about the date and time an article was delivered and if delivery was attempted but not successful.