(2) A regulated investment company as defined in section 851 of the Internal Revenue Code which distributes dividends in excess of those deducted in the computation of federal taxable income, shall to the extent of the amount added under subsection (1) of this section, deduct such distributed excess in arriving at Oregon taxable income.
(3) To derive Oregon taxable income, and subject to the other provisions of this chapter, discount and gain or loss on retirement or disposition of obligations described under subsection (1) of this section issued on or after January 1, 1985, shall be treated in the same manner as under sections 1271 to 1283 and other pertinent sections of the Internal Revenue Code as if the obligations, although issued by a state or a political subdivision of a state, were not tax exempt under the Internal Revenue Code. [1983 c.162 §18; 1985 c.802 §23; 1987 c.293 §39]