Oregon Revised Statutes Corporations and Partnerships § 65.341

(1) As used in this section:

(2) Unless the articles or bylaws provide otherwise, action required or permitted by this chapter to be taken at the board of directors' meeting may be taken without a meeting if the action is taken by all members of the board of directors. The action shall be evidenced by one or more written consents describing the action taken, signed by each director, and included in the minutes or filed with the corporate records reflecting the action taken.

(3) Action taken under this section is effective when the last director signs the consent, unless the consent specifies an earlier or later effective date.

(4) A consent signed under this section has the effect of a meeting vote and may be described as such in any document.