No declaration shall be required of a nonresident individual under ORS 316.557 to 316.589 unless:\n(1) Withholding under this chapter is made applicable to the wages, as defined in ORS 316.162, of the nonresident individual; or\n(2) The nonresident individual has income, other than compensation for personal services subject to deduction and withholding under ORS 316.162, which is effectively connected with the conduct of a trade or business within this state. [1980 c.7 §10; 1985 c.603 §6]
Oregon Legal Code