Oregon Revised Statutes Agriculture § 570.775

(1) The Invasive Species Council shall select a voting ex officio member of the council as chairperson and another voting ex officio member as vice chairperson. Each voting ex officio member of the council shall serve one year as chairperson and one year as vice chairperson during any five-year period. The chairperson and vice chairperson shall have duties and powers necessary for the performance of the functions of those offices as a majority of the voting ex officio members determines.

(2) A majority of the voting members of the council constitutes a quorum for the transaction of business.

(3) The council shall meet at times and places specified by the call of the chairperson or of a majority of the voting members of the council.