Oregon Revised Statutes Revenue and Taxation § 314.712

(1) Except as provided in ORS 314.722 or 314.723, a partnership as such is not subject to the tax imposed by ORS chapter 316, 317 or 318. Partnership income shall be computed pursuant to section 703 of the Internal Revenue Code,  1 with the modifications, additions and subtractions provided in this chapter and ORS chapter 316. Persons carrying on business as partners are liable for the tax imposed by ORS chapter 316, 317 or 318 on their distributive shares of partnership income only in their separate or individual capacities.

(2) If a partner engages in a transaction with a partnership other than in the partner's capacity as a member of the partnership, the transaction shall be treated in the manner described in section 707 of the Internal Revenue Code.

(3) If a partnership is an electing large partnership under section 775 of the Internal Revenue Code, the modifications of law applicable to an electing large partnership for federal tax purposes are applicable to the electing large partnership for purposes of the tax imposed by this chapter or ORS chapter 316, 317 or 318.