Form 3520 1 - Certain transactions with foreign trusts. Persons (and executors of estates of u.s. Customs and border protection (customs) for each. If your vehicle is a u.s. Decedents) file form 3520 to report:
Decedents) file form 3520 to report: Certain transactions with foreign trusts. Customs and border protection (customs) for each. If your vehicle is a u.s. Persons (and executors of estates of u.s.