Section 600.549c - Fifty-first judicial circuit(1) Until June 30, 2022, the fifty-first judicial circuit consists of the counties of Lake and Mason and has 1 judge. Beginning July 1, 2022, the fifty-first judicial circuit consists of the counties of Mason and Oceana and has 1 judge.(2) The incumbent judge of the fifty-first judicial circuit who resides in Mason County shall become the judge of the reformed fifty-first judicial circuit on July 1, 2022, and shall serve until the term for which he or she was elected in the fifty-first judicial circuit expires.Amended by 2022, Act 7,s 2, eff. 2/9/2022.Add. 1978, Act 164, Imd. Eff. 5/25/1978.