Indiana Code Title 14. Natural and Cultural Resources § 14-12-2-18

Sec. 18. (a) Eight (8) members of the project commission constitute a quorum.

(b) The affirmative vote of a majority of the voting members of the project commission present and voting is necessary for the project commission to take any action.

(c) A member of the project commission described in section 14(b)(1) through 14(b)(5) of this chapter may designate in writing a representative from the respective division to serve as a member of the project commission when the member of the project commission is unable to attend a meeting.