SUBCHAPTER C APPORTIONMENT AT BEGINNING AND END OF INCOME INTEREST Sec. 8131. When right to income begins and ends. 8132. Apportionment of receipts and disbursements when decedent dies or income interest begins. 8133. Apportionment when income interest ends. Cross References. Subchapter C is referred to in sections 8121, 8149 of this title. § 8131. When right to income begins and ends. (a) Accrual of income interest.--An income beneficiary is entitled to net income from the date on which the income interest begins. An income interest begins: (1) on the date specified in the governing instrument; or (2) if no date is specified, on the date an asset becomes subject to a trust or successive income interest. (b) Asset subject to a trust.--An asset becomes subject to a trust: (1) on the date it is transferred to the trust in the case of an asset which is transferred to a trust during the transferor's life; (2) on the date of a testator's death in the case of an asset which becomes subject to a trust by reason of a will, even if there is an intervening period of administration of the testator's estate; or (3) on the date of an individual's death in the case of an asset which is transferred to a fiduciary by a third party because of the individual's death. (c) Asset subject to a successive income interest.--An asset becomes subject to a successive income interest on the day after the preceding income interest ends, as determined under subsection (d), even if there is an intervening period of administration to wind up the preceding income interest. (d) End of income interest.--An income interest ends on: (1) the day before an income beneficiary dies or another terminating event occurs; or (2) the last day of a period during which there is no beneficiary to whom a trustee may distribute income.

SUBCHAPTER C APPORTIONMENT AT BEGINNING AND END OF INCOME INTEREST Sec. 8131. When right to income begins and ends. 8132. Apportionment of receipts and disbursements when decedent dies or income interest begins. 8133. Apportionment when income interest ends. Cross References. Subchapter C is referred to in sections 8121, 8149 of this title. § 8131. When right to income begins and ends. (a) Accrual of income interest.--An income beneficiary is entitled to net income from the date on which the income interest begins. An income interest begins: (1) on the date specified in the governing instrument; or (2) if no date is specified, on the date an asset becomes subject to a trust or successive income interest. (b) Asset subject to a trust.--An asset becomes subject to a trust: (1) on the date it is transferred to the trust in the case of an asset which is transferred to a trust during the transferor's life; (2) on the date of a testator's death in the case of an asset which becomes subject to a trust by reason of a will, even if there is an intervening period of administration of the testator's estate; or (3) on the date of an individual's death in the case of an asset which is transferred to a fiduciary by a third party because of the individual's death. (c) Asset subject to a successive income interest.--An asset becomes subject to a successive income interest on the day after the preceding income interest ends, as determined under subsection (d), even if there is an intervening period of administration to wind up the preceding income interest. (d) End of income interest.--An income interest ends on: (1) the day before an income beneficiary dies or another terminating event occurs; or (2) the last day of a period during which there is no beneficiary to whom a trustee may distribute income.