| Spouse or Dependents | Need a Visa? | Must Show | Where to apply for admission to the U.S. |
| Not citizens of Canada or Mexico | Depends. | 1) Proof of a bona fide spousal or parent-child relationship with the TN nonimmigrant; and 2) Proof the TN nonimmigrant is maintaining his or her TN nonimmigrant status. | At a CBP- designated U.S. port of entry or at a designated pre-clearance/pre-flight inspection station. |
| Canadian citizens | No visa required | 1) Proof of Canadian citizenship; 2) Proof of relationship to the TN nonimmigrant, such as a marriage certificate or birth certificate; 3) Photocopies of the TN nonimmigrant’s admission documents; and 4) Proof the TN nonimmigrant is maintaining his or her TN nonimmigrant status. | At a CBP-designated U.S. port of entry or at a designated pre-clearance/pre-flight inspection station. |
| Mexican citizens | Yes, must apply for a TD nonimmigrant visa at an American embassy or consulate | Proof the TN nonimmigrant is maintaining his or her TN nonimmigrant status. | At a CBP-designated U.S. port of entry or at a designated pre-clearance/pre-flight inspection station. |