An importer who claims preferential tariff treatment on a non-originating apparel good of Nicaragua specified in paragraphs (b) and (c) of § 10.607 of this subpart must submit a certificate of eligibility issued by an authorized official of the Government of Nicaragua, demonstrating that the good is eligible for entry under the applicable TPL. The certificate of eligibility must be in writing or must be transmitted electronically pursuant to any electronic means authorized by CBP for that purpose.
19 C.F.R. §10.608