advance ruling
(1) An advance ruling is a written statement issued by the Headquarters Office or the National Commodity Specialist Division or by such other office as designated by the Commissioner of Customs that interprets and applies the provisions of NAFTA to a specific set of facts involving any subject matter specified in 181.92(b)(6) of this part. An advance ruling letter is an advance ruling issued in response to a written request and set forth in a letter addressed to the person making the request or his designee. A published advance ruling is an advance ruling which has been published in full text in the Customs Bulletin.