Minn. Stat. § 352F.07: EFFECT ON REFUND.

Notwithstanding any provision of chapter 352 to the contrary, terminated hospital employees may receive a refund of employee accumulated contributions plus interest in accordance with section 352.22, subdivision 2, at any time after the transfer of employment to Fairview, University of Minnesota Physicians, or University Affiliated Family Physicians. If a terminated hospital employee has received a refund from a pension plan enumerated in section 356.30, subdivision 3, the person may not repay that refund unless the person again becomes a member of one of those enumerated plans and complies with section 356.30, subdivision 2.