(a) Sections 1.684-1 through 1.684-4 apply to transfers of property to foreign trusts and foreign estates after August 7, 2000, except as provided in paragraph (b) of this section.

(b) In the case a U.S. transferor decedent dying in 2010, § 1.684-3(c) applies to transfers of property to foreign trusts, foreign estates, and nonresident aliens after December 31, 2009, and before January 1, 2011.