CBP Form 4455 is the Certificate of Registration used mainly for commercial articles exported for repair, alteration or processing. Registering them at export helps you return them duty-free or at a reduced duty rate.
What Is CBP Form 4455?
CBP Form 4455, Certificate of Registration, is used primarily for the registration, examination and supervised lading of commercial shipments of articles exported for repair, alteration or processing that will later return to the U.S. duty-free or at a reduced duty rate. It is signed in the presence of a CBP official after the description of the articles is verified. The rules for returned articles are in 19 CFR Part 10.
Who Uses CBP Form 4455?
- Businesses sending equipment or goods abroad for repair, alteration or processing
- Owners proving U.S. origin of items taken abroad, such as a private vehicle
Key Rules at a Glance
| Topic | What applies |
|---|---|
| Purpose | Register articles at export so they can return duty-free or at reduced duty |
| When | Prepared at exportation. Form 3311 is the comparable form prepared at importation |
| Signing | Signed in the presence of a CBP official after verifying the description of the articles |
| On return | For duty only on the value of foreign work, file declarations from the repairer (cost of repairs, no substitution) and from the owner or importer (19 CFR 10.8) |
| Repairs are dutiable | Foreign repairs or alterations must be declared when the articles re-enter the U.S. |
How to Use Form 4455
- Complete Form 4455 with an exact description of each article, including serial numbers.
- Present the articles and form to CBP before export for examination.
- Have the CBP official sign the certificate and keep it with your records.
- On return, enter the goods with the certificate and the required declarations about the foreign work.
Related CBP Forms and Official Sources
Related forms: CBP Form 3311 (returned American goods) · CBP Form 4457 (personal effects registration) · CBP Form 7501 (entry summary)
Official sources:
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Frequently Asked Questions
What is CBP Form 4455 used for?
Mainly to register commercial articles exported for repair, alteration or processing, so they can return to the U.S. duty-free or at a reduced rate.
What is the difference between Form 4455 and Form 3311?
Form 4455 is prepared at exportation. Form 3311 is a declaration prepared at importation for returned American goods.
Do I pay duty on repairs done abroad?
Yes, foreign repairs or alterations are dutiable and must be declared when the articles re-enter the U.S.

