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.