(a) Request; form and filing. The exporter or producer of the merchandise which is the subject of an adverse marking decision may request a statement concerning the basis for the decision by filing a typewritten request, in English, with CBP, either at the port of entry or electronically. The request should be on letterhead paper in the form of a letter and clearly designated as a “Request for Basis of Adverse Marking Decision” and shall be signed by the exporter, producer or his authorized agent. The provisions of §174.3 of this chapter shall apply for purposes of signature by a person other than the principal.

(b) Content. The Request for Basis of Adverse Marking Decision letter shall set forth the following information:

(1) The name and address of the exporter or producer of the merchandise and the name and address of any authorized agent filing the request on behalf of such principal;

(2) A statement that the inquirer is the exporter or producer of the merchandise that was the subject of the adverse marking decision;

(3) In the case of a Canadian exporter or producer, the employer number assigned by Revenue Canada, Customs and Excise; in the case of a Mexican exporter or producer, the Federal taxpayer registry number (RFC); and the Customs identification number of an authorized agent filing the request on behalf of such principal;

(4) The number and date of each entry involved in the request;

(5) A specific description of the merchandise which is the subject of the adverse marking decision; and

(6) A complete statement of all relevant facts relating to the adverse marking decision and the transaction to which it relates, including the date of the decision.