(2) The effective and applicable dates, and the exceptions, special rules and coordination with the Internal Revenue Code, as amended, relative to those dates, contained in P.L. 101-140, the Omnibus Budget Reconciliation Act of 1989 (P.L. 101-239) and the Omnibus Budget Reconciliation Act of 1990 (P.L. 101-508) shall apply for Oregon personal income and corporate excise and income tax purposes, to the extent they can be made applicable, in the same manner as they are applied under the federal Internal Revenue Code and related federal law.

(3)(a) If a deficiency is assessed against any taxpayer for a tax year beginning before January 1, 1991, and the deficiency, or any portion thereof, is attributable to any retroactive treatment under chapter 457, Oregon Laws 1991, then any interest or penalty assessed under ORS chapter 305, 314, 316, 317 or 318 with respect to the deficiency or portion thereof shall be canceled.

(b) If a refund is due any taxpayer for a tax year beginning before January 1, 1991, and the refund or any portion thereof is due the taxpayer on account of any retroactive treatment under chapter 457, Oregon Laws 1991, then notwithstanding ORS 314.415 or other law, the refund or portion thereof shall be paid without interest.

(c) Any changes required on account of chapter 457, Oregon Laws 1991, for a tax year beginning prior to January 1, 1991, shall be made by filing an amended return within the time prescribed by law.

(d) If a taxpayer fails to file an amended return under paragraph (c) of this subsection, the Department of Revenue shall make any changes under paragraph (c) of this subsection on the return to which the change or changes relate within the period as specified for issuing a notice of deficiency or claiming a refund as otherwise provided by law with respect to that return, or within one year after a 1991 return is filed, whichever period expires later. [1991 c.457 §25]

Note: See first note under 314.033.

Note: Legislative Counsel has substituted "chapter 457, Oregon Laws 1991," for the words "this Act" in section 25, chapter 457, Oregon Laws 1991, compiled as 314.037. Specific ORS references have not been substituted, pursuant to 173.160. These sections may be determined by referring to the 1991 Comparative Section Table located in Volume 22 of ORS.