177.25—Form and content of request.
(a)
A request for an advisory ruling shall be in writing and shall contain such information as will enable Customs to provide the requester with the applicable principle of law or well established interpretation relating to the particular country of origin.
(b)
A request for a final determination shall be in writing and shall contain the following information:
(1)
The name of the requester, the requester's principal place of business, and a statement that the requester is authorized to file the request under the provisions of § 177.24 ;
(4)
Such further information as will enable Customs to determine if an article is a product of a specific country or instrumentality, and;