Limit to segregated amounts. If any amounts held in trust are segregated within the meaning of § 53.4947-1(c)(3), the value of the net assets for purposes of section 507(c)(2) and (g) shall be limited to the segregated amounts with respect to which a deduction under section 170, 545(b)(2), 556(b)(2), 642(c), 2055, 2106(a)(2), or 2522 was allowed. See the regulations under section 507(c)(2) and (g).

Applicability of section 4943 and 4944 to split-interests trusts—(1) General rule. Under section 4947(b)(3), section 4943 and 4944 do not apply to a split-interest trust described in section 4947(a)(2) if:

All the income interest (and none of the remainder interest) of the trust is devoted solely to one or more of the purposes described in section 170(c)(2)(B) and all amounts in the trust for which a deduction was allowed under section 170, 545(b)(2), 556(b)(2), 642(c), 2055, 2106(a)(2), or 2522 have an aggregate value (at the time for which the deduction was allowed) of not more than 60 percent of the aggregate fair market value of all amounts in the trust (after the payment of estate taxes and all other liabilities), or

A deduction was allowed under section 170, 545(b)(2), 556(b)(2), 642(c), 2055, 2106(a)(2) or 2522 for amounts payable under the terms of the trust to every remainder beneficiary, but not to any income beneficiary.

Definitions. (i) For purposes of section 4947(b)(3)(A), the term “income interest” shall include an interest in property transferred in trust which is in the form of a guaranteed annuity interest or unitrust interest as described in § 1.170A-6(c), § 20.2055-2(e)(2) or § 25.2522(c)-3(c)(2) and the term “remainder interest” shall include an interest which succeeds an “income interest” within the meaning of this (i).

For purposes of section 4947(b)(3)(B), the term “income beneficiary” shall include a recipient of payments described in section 642(c)(5)(F) from a pooled income fund, payments described in section 664(d)(1)(A) from a charitable remainder annuity trust, or payments described in section 664(d)(2)(A) or (3) from a charitable remainder unitrust. The term “remainder beneficiary” shall include a beneficiary of a remainder interest described in section 642(c)(5) or 664(d)(1)(C) or (2)(C).

Effective date. Except as otherwise provided in §§ 53.4947-1 and 53.4947-2 and the regulations under sections 508 (d) and (e), §§ 53.4947-1 and 53.4947-2 shall take effect on January 1, 1970.