19 CFR 10.705 - Importer obligations.
(2) Is responsible for the truthfulness of the information and data contained in the declaration provided for in § 10.704 of this subpart;
(3) Is responsible for submitting any supporting documents requested by CBP and for the truthfulness of the information contained in those documents. CBP will allow for the direct submission by the exporter or producer of business confidential or other sensitive information, including cost and sourcing information.
(b)Information provided by exporter or producer. The fact that the importer has made a claim for preferential tariff treatment or prepared a declaration based on information provided by an exporter or producer will not relieve the importer of the responsibility referred to in paragraph (a) of this section.