Colorado Code
Part 4 - Uniform Principal and Income Act
§ 15-1-409. Apportionment of Receipts and Disbursements When Decedent Dies or Income Interest Begins

Source: L. 2000: Entire part R&RE, p. 1137, § 1, effective July 1, 2001. L. 2009: (3) amended, (HB 09-1241), ch. 169, p. 744, § 6, effective April 22.
Prior Acts. Professor Bogert stated that "Section 4 of the [1962] Act makes a change with respect to the apportionment of the income of trust property not due until after the trust began but which accrued in part before the commencement of the trust. It treats such income as to be credited entirely to the income account in the case of a living trust, but to be apportioned between capital and income in the case of a testamentary trust. The [1931] Act apportions such income in the case of both types of trusts, except in the case of corporate dividends." George G. Bogert, The Revised Uniform Principal and Income Act, 38 Notre Dame Law. 50, 52 (1962). The 1962 Uniform Act also provides that an asset passing to an inter vivos trust by a bequest in the settlor's will is governed by the rule that applies to a testamentary trust, so that different rules apply to assets passing to an inter vivos trust depending upon whether they were transferred to the trust during the settlor's life or by his will.
Having several different rules that apply to similar transactions is confusing. In order to simplify administration, Section 15-1-409 applies the same rule to inter vivos trusts (revocable and irrevocable), testamentary trusts, and assets that become subject to an inter vivos trust by a testamentary bequest.
Periodic payments. Under Section 15-1-402, a periodic payment is principal if it is due but unpaid before a decedent dies or before an asset becomes subject to a trust, but the next payment is allocated entirely to income and is not apportioned. Thus, periodic receipts such as rents, dividends, interest, and annuities, and disbursements such as the interest portion of a mortgage payment, are not apportioned. This is the original common law rule. Edwin A. Howes, Jr., The American Law Relating to Income and Principal 70 (1905). In trusts in which a surviving spouse is dependent upon a regular flow of cash from the decedent's securities portfolio, this rule will help to maintain payments to the spouse at the same level as before the settlor's death. Under the 1962 Uniform Act, the pre-death portion of the first periodic payment due after death is apportioned to principal in the case of a testamentary trust or securities bequeathed by will to an inter vivos trust.
Nonperiodic payments. Under the second sentence of Section 15-1-409 (2), interest on an obligation that does not provide a due date for the interest payment, such as interest on an income tax refund, would be apportioned to principal to the extent it accrues before a person dies or an income interest begins unless the obligation is specifically given to a devisee or remainder beneficiary, in which case all of the accrued interest passes under Section 15-1-406 (1)(a) to the person who receives the obligation. The same rule applies to interest on an obligation that has a due date but does not provide for periodic payments. If there is no stated interest on the obligation, such as a zero coupon bond, and the proceeds from the obligation are received more than one year after it is purchased or acquired by the trustee, the entire amount received is principal under Section 15-1-416.

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