(a) In general. Section 2056(b) provides that no marital deduction is allowed with respect to certain property interests, referred to generally as “terminable interests”, passing from a decedent to his surviving spouse. The phrase “terminable interest” is defined in paragraph (b) of this section. However, the fact that an interest in property passing to a decedent's surviving spouse is a “terminable interest” makes it nondeductible only (1) under the circumstances described in paragraph (c) of this section, and (2) if it does not come within one of the exceptions referred to in paragraph (d) of this section.

(b) Terminable interests. A “terminable interest” in property is an interest which will terminate or fail on the lapse of time or on the occurrence or the failure to occur of some contingency. Life estates, terms for years, annuities, patents, and copyrights are therefore terminable interests. However, a bond, note, or similar contractual obligation, the discharge of which would not have the effect of an annuity or a term for years, is not a terminable interest.

(c) Nondeductible terminable interests. (1) A property interest which constitutes a terminable interest, as defined in paragraph (b) of this section, is nondeductible if—

(i) Another interest in the same property passed from the decedent to some other person for less than an adequate and full consideration in money or money's worth, and

(ii) By reason of its passing, the other person or his heirs or assigns may possess or enjoy any part of the property after the termination or failure of the spouse's interest.

(2) Even though a property interest which constitutes a terminable interest is not nondeductible by reason of the rules stated in subparagraph (1) of this paragraph, such an interest is nondeductible if—

(i) The decedent has directed his executor or a trustee to acquire such an interest for the decedent's surviving spouse (see further paragraph (f) of this section), or

(ii) Such an interest passing to the decedent's surviving spouse may be satisfied out of a group of assets which includes a nondeductible interest (see further § 20.2056(b)-2. In this case, however, full nondeductibility may not result.

(d) Exceptions. A property interest passing to a decedent's surviving spouse is deductible (if it is not otherwise disqualified under § 20.2056(a)-2) even though it is a terminable interest, and even though an interest therein passed from the decedent to another person, if it is a terminable interest only because—

(1) It is conditioned on the spouse's surviving for a limited period, in the manner described in § 20.2056(b)-3;

(2) It is a right to income for life with a general power of appointment, meeting the requirements set forth in § 20.2056(b)-5;

(3) It consists of life insurance or annuity payments held by the insurer with a general power of appointment in the spouse, meeting the requirements set forth in § 20.2056(b)-6;

(4) It is qualified terminable interest property, meeting the requirements set forth in § 20.2056(b)-7; or

(5) It is an interest in a qualified charitable remainder trust in which the spouse is the only noncharitable beneficiary, meeting the requirements set forth in § 20.2056(b)-8.

(e) Miscellaneous principles. (1) In determining whether an interest passed from the decedent to some other person, it is immaterial whether interests in the same property passed to the decedent's spouse and another person at the same time, or under the same instrument.

(2) In determining whether an interest in the same property passed from the decedent both to his surviving spouse and to some other person, a distinction is to be drawn between “property”, as such term is used in section 2056, and an “interest in property”. The term “property” refers to the underlying property in which various interests exist; each such interest is not for this purpose to be considered as “property”.

(3) Whether or not an interest is nondeductible because it is a terminable interest is to be determined by reference to the property interests which actually passed from the decedent. Subsequent conversions of the property are immaterial for this purpose. Thus, where a decedent bequeathed his estate to his wife for life with remainder to his children, the interest which passed to his wife is a nondeductible interest, even though the wife agrees with the children to take a fractional share of the estate in fee in lieu of the life interest in the whole, or sells the life estate for cash, or acquires the remainder interest of the children either by purchase or gift.

(4) The terms passed from the decedent, passed from the decedent to his surviving spouse and passed from the decedent to a person other than his surviving spouse are defined in §§ 20.2056(c)-1 through 20.2056(c)-3.

(f) Direction to acquire a terminable interest. No marital deduction is allowed with respect to a property interest which a decedent directs his executor or a trustee to covert after his death into a terminable interest for his surviving spouse. The marital deduction is not allowed even though no interest in the property subject to the terminable interest passes to another person and even though the interest would otherwise come within the exceptions described in §§ 20.2056(b)-5 and 20.2056(b)-6 (relating to life estates and life insurance and annuity payments with powers of appointment). However, a general investment power, authorizing investments in both terminable interests and other property, is not a direction to invest in a terminable interest.

(g) Examples. The application of this section may be illustrated by the following examples. In each example, it is assumed that the executor made no election under section 2056(b)(7) (even if under the specific facts the election would have been available), that any property interest passing from the decedent to a person other than the surviving spouse passed for less than full and adequate consideration in money or money's worth, and that section 2056(b)(8) is inapplicable.

Example (1).H (the decedent) devised real property to W (his surviving wife) for life, with remainder to A and his heirs. The interest which passed from H to W is a nondeductible interest since it will terminate upon her death and A (or his heirs or assigns) will thereafter possess or enjoy the property. Example (2).H bequeathed the residue of his estate in trust for the benefit of W and A. The trust income is to be paid to W for life, and upon her death the corpus is to be distributed to A or his issue. However, if A should die without issue, leaving W surviving, the corpus is then to be distributed to W. The interest which passed from H to W is a nondeductible interest since it will terminate in the event of her death if A or his issue survive, and A or his issue will thereafter possess or enjoy the property. Example (3).H during his lifetime purchased an annuity contract providing for payments to himself for life and then to W for life if she should survive him. Upon the death of the survivor of H and W, the excess, if any, of the cost of the contract over the annuity payments theretofore made was to be refunded to A. The interest which passed from H to W is a nondeductible interest since A may possess or enjoy a part of the property following the termination of the interest of W. If, however, the contract provided for no refund upon the death of the survivor of H and W, or provided that any refund was to go to the estate of the survivor, then the interest which passed from H to W is (to the extent it is included in H's gross estate) a deductible interest. Example (4).H, in contemplation of death, transferred a residence to A for life with remainder to W provided W survives A, but if W predeceases A, the property is to pass to B and his heirs. If it is assumed that H died during A's lifetime, and the value of the residence was included in determining the value of his gross estate, the interest which passed from H to W is a nondeductible interest since it will terminate if W predeceases A and the property will thereafter be possessed or enjoyed by B (or his heirs or assigns). This result is not affected by B's assignment of his interest during H's lifetime, whether made in favor of W or another person, since the term “assigns” (as used in section 2056(b)(1)(B)) includes such an assignee. However, if it is assumed that A predeceased H, the interest of B in the property was extinguished, and, viewed as of the time of the subsequent death of H, the interest which passed from him to W is the entire interest in the property and, therefore, a deductible interest. Example (5).H transferred real property to A by gift (reserving the right to the rentals of the property for a term of 20 years. H died within the 20-year term, bequeathing the right to the remaining rentals to a trust for the benefit of W. The terms of the trust satisfy the five conditions stated in § 20.2056(b)-5, so that the property interest which passed in trust is considered to have passed from H to W. However, the interest is a nondeductible interest since it will terminate upon the expiration of the term and A will thereafter possess or enjoy the property. Example (6).H bequeathed a patent to W and A as tenants in common. In this case, the interest of W will terminate upon the expiration of the term of the patent, but possession or enjoyment of the property by A must necessarily cease at the same time. Therefore, since A's possession or enjoyment cannot outlast the termination of W's interest, the latter is a deductible interest. Example (7).A decedent bequeathed $100,000 to his wife, subject to a direction to his executor to use the bequest for the purchase of an annuity for the wife. The bequest is a nondeductible interest. Example (8).Assume that pursuant to local law an allowance for support is payable to the decedent's surviving spouse during the period of the administration of the decedent's estate, but that upon her death or remarriage during such period her right to any further allowance will terminate. Assume further that the surviving spouse is sole beneficiary of the decedent's estate. Under such circumstances, the allowance constitutes a deductible interest since any part of the allowance not receivable by the surviving spouse during her lifetime will pass to her estate under the terms of the decedent's will. If, in this example, the decedent bequeathed only one-third of his residuary estate to his surviving spouse, then two-thirds of the allowance for support would constitute a nondeductible terminable interest. [T.D. 6296, 23 FR 4529, June 24, 1958; 25 FR 14021, Dec. 31, 1960, as amended by T.D. 8522, 59 FR 9649, Mar. 1, 1994]