Minn. Stat. § 356.461
Subd. 1. Joint and survivor annuity computation.
Notwithstanding any provision of section 356.215, subdivision 8, or 356.415 to the contrary, for purposes of computing joint and survivor annuities, the applicable postretirement interest assumption is 6.5 percent.
Subd. 2. Covered plans.
This section applies to the following retirement plans: