One or more of your search terms were not found. Try omitting of, as, is, not, and, be, a, of, by, and, of and searching again with category: activity known “corporate compliance,” which considered customs business may performed without customs broker’s license. See Final Rule, Performance Customs Business Parent Subsidiary Corporations, 63 Fed. Reg 47,455, 47,456 (August 11, 2003). The regulatory definition.