- Carter County is part of Montana's 16th Judicial district which also consists of Treasure, Rosebud, Garfield, Fallon, Powder River, and Custer counties.
- Michael B Hayworth presides over District 1 (Custer and Powder River counties).
- Rennie L Wittman presides over District 2 (Carter, Fallon, Garfield, Rosebud, and Treasure counties).
- Law in Motion occurs the 2nd Tuesday of each Month.
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