Topics / Entry and entry summary
A ruling letter issued under 19 CFR part 177 is:
- Binding on all Customs personnel until modified or revoked
- Advisory only and not binding on CBP
- Binding only at the port named in the request
- Binding only for 90 days
Show the answer
A. Binding on all Customs personnel until modified or revoked
A ruling letter is the official position on the transaction described and binds all Customs personnel until modified or revoked.
Source: 19 CFR 177.9(a)
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