How do I purchase Mail Forwarding at the post office?
For residential customers
You must purchase the service at the post office at least 3 business days in advance. Make sure to bring a valid government-issued photo ID. You can save time by printing and completing a Mail Forwarding form before visiting your local post office.
For business customers
You must purchase the service at the post office at least 3 business days in advance. To prevent fraud and identity theft you must bring a valid government-issued photo ID and supporting documentation providing that you can act on behalf of the business/institution. You can save time by printing and completing a Mail Forwarding form before visiting your local post office.
Read about requirements for identification and supporting documents