Except as otherwise provided in ORS 314.766 (Tax on built-in gain), 314.767 (Tax on excess net passive income) and 317.090 (Minimum tax), an S corporation shall not be subject to the taxes imposed by ORS chapter 316, 317 or 318.(2)(a) Subject to paragraphs (b) to (d) of this subsection, the taxable income of an S corporation shall be computed pursuant to section 1363(b) of the Internal Revenue Code, with the modifications, additions and subtractions provided in this chapter and ORS chapter 316.
(b)
Except as otherwise provided under this chapter and ORS chapter 316, 317 or 318, and except as inconsistent with ORS 314.761 (“C corporation” and “S corporation” defined for this chapter and ORS chapters 316, 317 and 318) to 314.772 (Business tax credits), subchapter C, chapter 1, Internal Revenue Code, shall apply to an S corporation and its shareholders for Oregon tax purposes. For Oregon tax purposes, the provisions of section 1371 of the Internal Revenue Code shall apply, subject to the modifications, additions and subtractions under this chapter or ORS chapter 316, 317 or 318 and any provisions to the contrary in this chapter or ORS chapter 316, 317 or 318.
Notwithstanding ORS 317.476 (Net losses of prior years) or other law, no carryforward, and no carryback, shall arise at the corporate level for a taxable year for which a corporation is an S corporation. [Formerly 314.732]