Code of Federal Regulations Title 19. Customs Duties § 19.10.192 Claim for exemption from duty under the CBI

A claim for an exemption from duty on the ground that the CBI applies shall be allowed by the Center director only if he is satisfied that the requirements set forth in this section and § 10.193 through § 10.198b have been met. Duty-free treatment may be claimed at the time of filing the entry summary by placing the symbol “E” as a prefix to the HTSUS subheading number for each article for which such treatment is claimed on that document.