Each designation of an emergency interim successor shall become effective when the legislator 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 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 Emergency Management Agency, the Secretary of the Senate and the Clerk of the House of Representatives and all emergency interim successors of all such designations, removals and changes in order of succession. The Secretary of the Senate and the Clerk of the House of Representatives shall enter all information regarding emergency interim successors for the Senate or the House in its public journal at the beginning of each legislative session and shall enter all changes in membership or order of succession as soon as possible after their occurrence. Each interim successor shall be appointed for at least one year.