Submission of Issues/Questions. Issues/Questions proposed for negotiations will be submitted in writing by the Association to the Superintendent or his/her designated representative, and by the Superintendent to the Association President, on or before December 15 of the last year of the contract. A mutually convenient meeting date shall be set and negotiations shall begin no later than January 15, unless both parties agree to a later date. Prior to beginning the negotiations, the Superintendent, or his/her designated representatives, and the representatives of the Association shall cooperatively develop and adopt an agenda listing those issues that shall be negotiated. Upon adoption of said agenda, no issues shall be added to the agenda for negotiations without the mutual consent of the Superintendent, or his/her designated representatives, and the representative of the Association.