The bank routing number needs to be NINE digits long and start with either a 0, 1, 2 or 3.
Banking information: please ensure that the bank transit routing and account numbers are verified by your bank before submitting this form.
Account type: the bank account number provided above will be enrolled as a business checking account unless otherwise stated.
Importer Number/Tax ID: only use this or the Self-Filer/Broker ID, not both.
Where to send: please email this form to ach-customs@cbp.dhs.gov.
Time: the estimated average time to complete this application is 5 minutes.
| Question | Answer |
|---|---|
| Form Name | CBP Form 400 |
| Form Length | 5 pages |
| Fillable? | Yes |
| Fillable fields | 22 |
| Avg. time to fill out | 4 min |
| Edition | 05/25 |
| Issuing agency | U.S. Customs and Border Protection |
| Where to send | ach-customs@cbp.dhs.gov |
| Matches the agency's file | Yes, checked October 4, 2026 |
| Other names | CBP Form 400, CBP 400, Form 400, ACH Debit Application, CBP ACH Debit Application |
| Official source | CBP Form 400 (Rev 05/25), U.S. Customs and Border Protection |
Cbp Form 400 isn’t the one you’re looking for?