(a) Individuals. -- The West Virginia source income of a part-year resident individual shall be the sum of the following:

(1) Federal adjusted gross income for the period of residence, computed as if his or her taxable year for federal income tax purposes were limited to the period of residence.

(2) West Virginia source income for the period of nonresidence determined in accordance with section thirty-two of this article as if his or her taxable year for federal income tax purposes were limited to the period of nonresidence.

(3) The special accruals required by subsection (b) of this section.

(b) Special accruals.

(1) If an individual changes his or her status from resident to nonresident he or she shall, regardless of his or her method of accounting, accrue to the portion of the taxable year prior to such change in status any items of income, gain, loss or deduction accruing prior to the change of status, if not otherwise properly entering into his or her federal adjusted gross income for such portion of the taxable year or a prior taxable year under his or her method of accounting.

(2) If an individual changes his or her status from nonresident to resident, he or she shall, regardless of his or her method of accounting, accrue to the portion of the taxable year prior to such change of status any items of income, gain, loss or deduction accruing prior to the change of status, other than items derived from or connected with West Virginia sources, if not otherwise properly entering into his or her federal adjusted gross income for such portion of the taxable year or for a prior taxable year under his or her method of accounting.

(3) No item of income, gain, loss or deduction which is accrued under this subsection shall be taken into account in determining West Virginia adjusted gross income or West Virginia source income for any subsequent period.

(4) The accruals under this subsection shall not be required if the individual files with the Tax Commissioner a bond or other security acceptable to the Tax Commissioner, conditioned upon the inclusion of amounts accruable under this subsection in West Virginia adjusted gross income or West Virginia source income for one or more subsequent taxable years as if the individual had not changed his or her resident status.

(c) Effective date. -- The provisions of this section shall apply to taxable years beginning after December 31, 1991, as amended. For taxable years that began prior to January 1, 1992, the provisions of section fifty-four, which is repealed by this bill, apply and for that purpose, the provisions of section fifty-four are fully and completely preserved.