A proposal or proposals selected by the commission for negotiation of a final agreement shall be referred to a negotiation team within the department. The team shall be responsible for negotiating the final agreement with the proposer. Each final agreement will define the rights and obligations of the state and the respective proposer with regard to the project. Agreements must contain all provisions in WAC 468-600-700 and 468-600-715, and must allocate responsibilities under WAC 468-600-720.