Idaho Code § 42-2969

Upon the filing of said complaint said plaintiff, his agents, attorneys and auditors, shall have free access to the books, records and accounts of the drainage commissioners and shall have the right to examine the same and make copies thereof, and the secretary of said drainage district shall furnish such certified copies of said records as the plaintiff may designate, said plaintiff furnishing the copies ready for certification at his own expense. He shall also have access to the records of the county treasurer insofar as they pertain to his property, including the assessment roll of the drainage district, the distribution of moneys paid by him, and such other matters as may pertain to the preparation of his case for trial.