Mont. Code § 82-10-305
After obtaining a certificate from the board, a natural gas public utility desiring to exercise the right of eminent domain for the purpose of acquiring property for the underground storage of natural gas shall proceed as provided in this section. The natural gas public utility shall present to the district court of the county in which the land is situated a complaint setting forth the purpose for which the property is sought to be taken, a description of the property sought to be taken, and the names of the owners of the property as shown by the records of the county. The utility shall file the certificate of the board as a part of its complaint, and an order by the court granting the complaint may not be entered without the certificate being filed with the complaint. Subsequent proceedings must follow the procedure provided by Title 70, chapter 30.
§ 82-10-305, MCA