WI MLR Determination Letter Link: http://cciio.cms.gov/programs/marketreforms/mlr/states/Wisconsin/2012_0216_final_wi_mlr_adj_determination_letter.pdfCheck here if this document shows that you have completed a milestone.: 1Documentation Status: 2 Indicator/Milestone: Determine whether to regulate insurance plans’ compliance with minimum medical loss ratios or defer to the federal government. State: WI Topics: Federal Oversight Document Types: Regulation useful?