ORS § 314.650 : REVENUE AND TAXATION — TAXES IMPOSED UPON OR MEASURED BY NET INCOME —DIVISION OF INCOME FOR TAX PURPOSES —APPORTIONMENT OF INCOME — Apportionment of income TEXT PDF All apportionable income shall be apportioned to this state by multiplying the income by the sales factor. ORS 314.650 Amended by 2017 Ch. 43,§ 4, eff. 10/6/2017. 1965 c.152 §10; 1989 c.626 §5; 1989 c.1088 §1; 1995 c.79 §156; 2001 c.793 §1; 2003 c. 739, §§ 1, 5; 2005 c. 832, §§ 48, 49; 2009 c. 842, § 1