Idaho Code § 61-611: Production of books without state.

The commission may require, by order served on any public utility in the manner provided herein for the service of orders, the production within this state at such time and place as it may designate, of any books, accounts, papers or records kept by said public utility in any office or place without this state, or, at its option, verified copies in lieu thereof so that an examination thereof may be made by the commission or under its direction.