Idaho Code § 67-419: Recording and publication.

Each designation of an emergency interim successor shall become effective when the legislator or party leader making the designation files with the secretary of state the successor’s name, address and rank in order of succession. The removal of an emergency interim successor or change in order of succession shall become effective when the legislator or party leader so acting files this information with the secretary of state. All such data shall be open to public inspection. The secretary of state shall inform the governor, the Idaho office of emergency management, the presiding officer of the house concerned and all emergency interim successors of all such designations, removals and changes in order of succession.