The professional practices commission shall exercise disciplinary and advisory functions and shall hear cases arising under rules and regulations adopted by the state board of education involving the issuance, suspension, revocation, or reinstatement of teachers’ and school administrators’ certificates and render initial orders for disposition thereof, and the state board of education shall review such initial orders in accordance with the provisions of Kan. Stat. Ann. § 77-527. The practices commission may conduct, upon request and at the direction of the state board of education, investigations of departures from the code of professional responsibility and competency which may be adopted by the state board of education upon recommendation made under subsection (b) of Kan. Stat. Ann. § 72-2312, and amendments thereto, and report findings thereon to the state board.