Private aircraft, as defined in § 122.1(h) , arriving in the United States as defined in § 122.22 , are not required to formally enter. No later than 60 minutes prior to departure from the United States as defined in § 122.22 , to a foreign location, manifest data for each individual onboard a private aircraft and departure information must be submitted as set forth in § 122.22(c) . Private aircraft must not depart the United States to travel to a foreign location until CBP confirms receipt of the appropriate manifest and departure information as set forth in § 122.22(c) , and grants electronic clearance via electronic mail or telephone.
19 C.F.R. §122.26