Delaware Code
Chapter 33. ADMINISTRATIVE PROVISIONS
§ 3335. Effect of formula clauses in certain wills and trusts.

(a) A governing instrument, such as a will or trust of a decedent, who dies after December 31, 2009, and before January 1, 2011, that contains a formula referring to the “unified credit,” “estate tax exemption,” “applicable exemption amount,” “applicable credit amount,” “applicable exclusion amount,” “generation-skipping transfer tax exemption,” “GST exemption,” “marital deduction,” “maximum marital deduction,” or “unlimited marital deduction,” or that measures a share of an estate or trust based on the amount that can pass free of federal estate taxes or the amount that can pass free of federal generation-skipping transfer taxes, or that is otherwise based on a similar provision of federal estate tax or generation-skipping transfer tax law, shall be presumed to refer to the federal estate tax and generation-skipping transfer tax laws as they applied to estates of decedents dying on December 31, 2009. This provision shall not apply to a will or trust that is executed or amended after December 31, 2009, or that manifests an intent that a contrary rule shall apply. Furthermore, this provision shall not apply in cases where the application of this provision would cause:

(1) Any provision of the will or trust requiring, or expressing a preference for, distributions from 1 trust rather than from the other trust shall be disregarded;
(2) a. A trust intended to be a general power of appointment marital trust under § 2056(b)(5) of the Internal Revenue Code [26 U.S.C. § 2056(b)(5)]; or
b. Which, would, if an election could have been made under § 2056(b)(7) of the Internal Revenue Code [26 U.S.C. § 2056(b)(7)] as in effect for decedents dying on December 31, 2009, qualify as qualified terminable interest property under § 2056(b)(7) [26 U.S.C. § 2056(b)(7)],
shall be considered to be substantially the same as any other trust which requires that all income be distributed currently to the surviving spouse, regardless of whether the other trust may have current beneficiaries of principal who are persons other than the surviving spouse; and
(3) Any provision of the will or trust which may have different provisions concerning the identity, selection or nomination of current or future trustees shall be disregarded.
(b) This section shall apply only to a governing instrument of a decedent whose executor elects to apply the Internal Revenue Code as though subtitle A and E of title V of the Economic Growth and Tax Relief Reconciliation Act of 2001 [P.L. 107-16] applies with respect to Chapter 11 of the Internal Revenue Code [26 U.S.C. Chapter 11].
(c) Any person interested under a will or trust may bring a proceeding under § 6504 of Title 10 to determine whether the decedent intended that the references under subsection (a) of this section be construed with respect to the law as it existed after December 31, 2009. Such a proceeding must be commenced prior to January 1, 2012.
(d) The presumption described in subsection (a) of this section shall not apply if fiduciaries such as personal representatives or trustees serving under the governing instrument, who are not interested fiduciaries, elect to opt out of the application of subsection (a) of this section as to all or any part of the governing instrument and no beneficiary under the governing instrument objects to the election within 30 days following receipt of written notice of the election. A fiduciary is interested if:

(e) Whenever the term “pass” or “passing” is used in this section, the term shall relate to an amount distributable or allocable under the governing instrument as result of the decedent's death.

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