How do I correct a mistake on my I-94 at a CBP deferred inspection site?

How do I correct a mistake on my I-94 at a CBP deferred inspection site?

When entering the United States it is important that your entry is properly recorded by US Customs and Border Protection (CBP). If your entry was recorded improperly, you should get it corrected as soon as possible. This can be done through one of the many deferred inspection sites in the United States. Here’s how it works.