Utah constitution
Article XXIV: schedule
Section 7

All actions, cases, proceedings and matters, pending in the Supreme and District Courts of the Territory of Utah, at the time the State shall be admitted into the Union, and all files, records and indictments relating thereto, except as otherwise provided herein, shall be appropriately transferred to the Supreme and District Courts of the State respectively; and thereafter all such actions, matters and cases, shall be proceeded with in the proper State courts. All actions, cases, proceedings and matters which shall be pending in the District Courts of the Territory of Utah, at the time of the admission of the State into the Union, whereof the United States Circuit or District Courts might have had jurisdiction had there been a State Government at the time of the commencement thereof respectively, shall be transferred to the proper United States Circuit and District Courts respectively; and all files, records, indictments and proceedings relating thereto, shall be transferred to said United States Courts: Provided, That no civil actions, other than causes and proceedings of which the said United States' Courts shall have exclusive jurisdiction, shall be transferred to either of said United States' Courts except upon motion or petition by one of the parties thereto, made under and in accordance with the act or acts of Congress of the United States, and such motion and petition not being made, all such cases shall be proceeded with in the proper State Courts.