(1) Before final approval, agreements entered into under this chapter must include a process that provides for public involvement and participation with respect to the development of the projects. This plan must be submitted along with the proposed agreement, and both must be approved under RCW 47.29.160 before the state may enter a binding agreement.

(2) All workshops, forums, open houses, meetings, public hearings, or similar public gatherings must be administered and attended by representatives of the state and any other public entities that are party to an agreement authorized by this chapter.