Investigation. The term investigation refers to the CBP administrative process described in subpart C of this part, and is a formal investigation within the meaning of section 592(4), Tariff Act of 1930, as amended (19 U.S.C. 1592(c)(4)).
19 CFR § 165.1
As used in this part, the following terms will have the meanings indicated unless either the context in which they are used requires a different meaning or a different definition is prescribed for a particular section of this part: