Minn. Stat. § 356.31
Subd. 1. Restoration upon termination of remarriage.
Notwithstanding any provision to the contrary of the laws governing any of the retirement funds enumerated in subdivision 2, any person who was receiving a surviving spouse's benefit from any of such funds and whose benefit terminated solely because of remarriage shall, if the remarriage terminates for any reason, again be entitled upon reapplication to a surviving spouse's benefit; provided, however, that such person shall not be entitled to retroactive payments for the period of remarriage. The benefit shall resume at the level which such person would have been receiving if there had been no remarriage. This section shall apply prospectively to any person who first becomes entitled to receive a surviving spouse's benefit on or after May 18, 1975, and shall also apply retroactively to any person who first became entitled to receive a surviving spouse's benefit before May 18, 1975; provided, however, that no such person shall be entitled to retroactive payments for any period of time prior to May 18, 1975.
Subd. 2. Covered funds.
The provisions of this section shall apply to the following retirement funds: