Ace Your Mail Run: 2026 CCA Postal Academy Practice Test Adventure!

For Adult Signature delivery, the requirement is to verify the age of the recipient to ensure that the package is being delivered to an adult. The correct proof of age must provide clear and reliable identification. A driver's license, passport, or government-issued ID meets this criterion, as these forms of identification are widely accepted and clearly display the individual’s photograph and date of birth, confirming that the recipient is at least 21 years old.

The other options do not sufficiently meet the requirements for proving age. Not all photo IDs may include the necessary birthdate details, receipts from the post office lack personal identification, and birth certificates, while they confirm age, are not typically considered acceptable forms of ID for package delivery as they don’t include a photo. The aim of the Adult Signature delivery requirement is to ensure that the delivery is made securely to an adult, making the specified forms of identification the most appropriate and reliable for this purpose.