The undersigned declares that the owners are the actual owners for CBP purposes of the merchandise covered by the entry and will pay all additional and increased duties.
Italics: line out each phrase shown in italics not applicable to this declaration.
Additional copy: if owner has no IRS or Social Security number or a CBP serial number has not been previously assigned, file an additional copy of this form.
Serial number: the copy will be returned to owner with a CBP serial number assigned, to be used by owner in all future CBP transactions requiring the importer number.
Social security number: the disclosure of the social security number on CBP Form 3347 is mandatory.
| Question | Answer |
|---|---|
| Form Name | CBP Form 3347 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 66 |
| Avg. time to fill out | 11 min |
| Edition | 06/25 |
| Issuing agency | U.S. Customs and Border Protection |
| Filing deadline | At the port of entry within 90 days after the date of entry |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | CBP 3347, CF 3347, CF3347, Form 3347, 3347, CBP Form 3347, Declaration of Owner |
| Official source | CBP Form 3347 (Rev 06/25), U.S. Customs and Border Protection |
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