Idaho Code § 42-5116

Prior to the incurring of indebtedness, the board shall file a petition in the district court of the county in which the office of the board is located, pursuant to the provisions of sections 43-406 to 43-408, inclusive, Idaho Code, as if the district were an irrigation district. Whenever any district which is required to file a petition hereunder has or proposes to enter into a contract or contracts with one or more districts pursuant to law, and such other district or districts is authorized or required to bring a confirmation proceeding or proceedings pursuant to the provisions of section 43-406 or of section 43-1808, Idaho Code, with respect to such contracts or the levy of assessments or the apportionment of costs, the boards of each of such other districts shall join in the filing of such petition, and the district court in which such petition is filed shall have jurisdiction to hear the petition and to grant the relief prayed for therein. Each such petition shall pray for a judicial examination and determination of any power conferred hereby or by any amendment hereto or of any assessment levied or of any apportionment of costs or of any act, proceeding or contract of the district or districts, whether or not said contracts shall have been executed, including proposed contracts for the reconstruction, rehabilitation, replacement and improvement of any such well and other related structures and works and appurtenances, falling water contracts, contracts with other districts and contracts with other public and private persons, firms, corporations and associations. Such petition shall set forth the facts whereon the validity of such powers, assessments, apportionments, acts, proceedings or contracts is founded. Notice of the filing of said petition shall be given by the clerk of the court by mailing, and by publication in at least one (1) newspaper published and of general circulation within the boundaries of each district joining in the petition, or if no newspaper is so published within any district, then in a newspaper published in the same county in which any part of such district is located which is of general circulation in such district, pursuant to and in accordance with the requirements of section 43-407, Idaho Code, as if the district were an irrigation district under the seal thereof, stating in brief outline the contents of the petition and showing where a full copy of any contract or contracts, therein mentioned, may be examined.