(1) The hearings, trials, or proceedings of the circuit court of the second judicial circuit may be held at the county seat of the county in St. Joseph, in the city of Niles, or in the courthouse at Berrien Springs as provided in subsection (3).

    (2) The county clerk of Berrien county shall deposit in the building designated for the holding of the court in the city of Niles, at the time directed by the circuit judge, all the records and files in all cases, causes, or proceedings, noticed for trial or hearing by the circuit judge at the city of Niles, and when the case, cause, or proceeding is finished, the records and files shall be returned to the office of the county clerk.

    (3) The courthouse in Berrien Springs may be used for the naturalization of new citizens and for ceremonies of an educational nature at the discretion of the circuit judges or for other purposes when the county board of commissioners considers it advisable.