1. An impasse exists if: a. After a reasonable period of negotiation, an agreement has not been formulated and a dispute exists; b. No later than July first following the recognition of the representative organization under section 15.1-16-11: (1) An agreement has not been reached between the board of a school district and the representative organization; and

(2) The board of the school district and the representative organization have not agreed to extend the negotiation period; or c. The board of a school district and the representative organization both agree that an impasse exists.

2. An impasse may exist if: a. A written contract entered into between the board of a school district and the representative organization under section 15.1-16-13 does not contain a procedure for resolving a dispute. b. A written agreement entered into between the board of a school district and the representative organization under section 15.1-16-13 contains an inadequate procedure for resolving a dispute.