ORS 58.518: Issuance, sale, transfer and redemption of shares.

(1) A shareholder of a professional corporation organized for the purpose of practicing medicine may sell or transfer shares only in a manner that leaves the corporation in compliance with this chapter.

      (2) Subject to subsection (1) of this section, the articles of incorporation, bylaws or agreements among shareholders of a professional corporation organized for the purpose of practicing medicine may provide limitations on the issuance and transferability of shares of the corporation and may provide for the purchase or redemption of shares by the corporation.