Iowa Code § 634.1: Applicability.

This chapter shall apply only to trusts which are private foundations as defined in section 509 of the Internal Revenue Code, charitable trusts as described in section 4947(a) (1) of the Internal Revenue Code, or split-interest trusts as described in section 4947(a) (2) of the Internal Revenue Code. With respect to any such trust created after December 31, 1969, this chapter shall apply from such trust’s creation. With respect to any such trust created before January 1, 1970, this chapter shall apply only to such trust’s federal taxable years beginning after December 31, 1971.