The provisions of the Internal Revenue Code, 26 U.S.C., Section 1 et seq., applicable to consolidated corporate income tax returns, shall not apply to taxpayers under this act, except that:
1. If two or more corporations file federal income tax returns on a consolidated basis, and if all of such corporations derive all of their income from sources within Oklahoma, then such corporations shall be required to file consolidated returns for purposes of determining their Oklahoma income tax liability.
2. If two or more corporations file federal income tax returns on a consolidated basis, and if one or more of such corporations derive a portion of their income from sources outside the State of Oklahoma, then such corporations shall not be required to file consolidated returns for purposes of determining their Oklahoma income tax liability except as hereinafter provided in subsection 3 of this section.
3. The Oklahoma Tax Commission shall permit an affiliated group of corporations described in subsection 2 of this section to elect to file a consolidated return for Oklahoma income tax purposes provided such group files an appropriate election in accordance with regulations to be promulgated by the Tax Commission. If an affiliated group of corporations elects to file a consolidated Oklahoma income tax return under the provisions of this section, such election shall be binding and the affiliated group of corporations shall be required to file a consolidated Oklahoma income tax return for future tax years unless the Oklahoma Tax Commission releases the affiliated group of corporations from such election. If an affiliated group of corporations elects to file a consolidated Oklahoma income tax return under the provisions of this subsection, the group's consolidated income, loss or deductions shall be determined on a component member by component member basis in accordance with the provisions of Sections 2358 and 2362 of this title.
Laws 1971, c. 137, § 17; Laws 1971, p. 1043, H.J.R. No. 1026, § 2A19, emerg. eff. June 22, 1971; Laws 1993, c. 273, § 5, eff. Sept. 1, 1993.