Minn. Stat. § 179A.20
Subd. 1. Written contract.
The exclusive representative and the employer shall execute a written contract or memorandum of contract containing the terms of the negotiated agreement or interest arbitration decision and any terms established by law.
Subd. 2. No contract provisions contrary to law.
No provision of a contract shall be in conflict with:
Subd. 2a. Former employee benefits.
A contract may not obligate an employer to fund all or part of the cost of health care benefits for a former employee beyond the duration of the contract, subject to section 179A.20, subdivision 6. A personnel policy may not obligate an employer to fund all or part of health care benefits for a former employee beyond the duration of the policy. A policy may not extend beyond the termination of the contract of longest duration covering other employees of the employer or, if none, the termination of the budgetary cycle during which the policy is adopted.
Subd. 3. Duration.
The duration of the contract is negotiable but shall not exceed three years. Any contract between a school board and an exclusive representative of teachers shall be for a term of two years, beginning on July 1 of each odd-numbered year. A contract between a school board and an exclusive representative of teachers shall contain the teachers' compensation including fringe benefits for the entire two-year term and shall not contain a wage reopening clause or any other provision for the renegotiation of the teachers' compensation.
Subd. 4. Grievance procedure.
Subd. 5. Implementation.
Upon execution of the contract, the employer shall implement it in the form of an ordinance or resolution. If implementation of the contract requires adoption of a law, ordinance, or charter amendment, the employer shall make every reasonable effort to propose and secure the enactment of this law, ordinance, resolution, or charter amendment.
Subd. 6. Contract in effect.
During the period after contract expiration and prior to the date when the right to strike matures, and for additional time if the parties agree, the terms of an existing contract shall continue in effect and shall be enforceable upon both parties.