This article does not apply to:
1. Any elected state official.
2. Chief advisors who maintain a direct, confidential and advisory relationship with:
(a) The governor.
(b) The secretary of state.
(c) The attorney general.
(d) The state treasurer.
(e) The state mine inspector.
(f) The superintendent of public instruction.
(g) A commissioner of the corporation commission.
3. An agency attorney who maintains an attorney-client relationship with either:
(a) An officer or employee of an agency acting in the exercise of the officer's or employee's duty.
(b) An elected official who is listed under paragraph 2.
4. The staff of the legislature.