Minn. Stat. § 356.407
Subd. 1. Restoration upon termination of remarriage.
Notwithstanding any provision to the contrary of the laws governing any of the retirement plans enumerated in subdivision 2, any person who was receiving a surviving spouse's benefit from any of those plans and whose benefit terminated solely because of remarriage is, if the remarriage terminates for any reason, again entitled upon reapplication to a surviving spouse's benefit; provided, however, that the person is not entitled to retroactive payments for the period of remarriage. The benefit resumes at the level which the person would have been receiving if there had been no remarriage. This section applies prospectively to any person who first becomes entitled to receive a surviving spouse's benefit on or after May 18, 1975, and also applies retroactively to any person who first became entitled to receive a surviving spouse's benefit before May 18, 1975; provided, however, that no person is entitled to retroactive payments for any period of time before May 18, 1975.
Subd. 2. Covered funds.
The provisions of this section apply to the following retirement funds: