Taxable Income of Nonresidents and Part-year Residents

(1) The taxable income of a nonresident is the taxpayer's federal taxable income from Oregon sources as defined in ORS 316.127, with the modifications provided in ORS Chapter 316 and other Oregon laws as they relate to nonresidents. In computing taxable income, nonresident taxpayers are allowed a proportionate share of all deductions, with required modifications. This includes the accrued federal tax deduction, and itemized deductions or the optional standard deduction. The fraction to be used in making the proration of deductions is provided in OAR 150-316-0135.

(2) The taxable income of a part-year resident is the taxpayer's federal taxable income, as defined in the laws of the United States, modified and adjusted by ORS Chapter 316 and other Oregon laws. The tax on the entire taxable income of part-year residents is multiplied by the fraction provided in OAR 150-316-0135 to determine the tax on income derived from Oregon sources.

(3) For purposes of determining the proration of tax under ORS 316.117, a part-year Oregon resident includes in Oregon source income the sum of: