Section 50-13-3 - Adoption of rules of organization and practice; public inspection and validity of rules, policies, orders, decisions, and opinions(a) In addition to other rule-making requirements imposed by law, each agency shall: (1) Adopt as a rule a description of its organization, stating the general course and method of its operations and the methods whereby the public may obtain information or make submissions or requests;(2) Adopt rules of practice setting forth the nature and requirements of all formal and informal procedures available, including a description of all forms and instructions used by the agency;(3) Make available for public inspection all rules and all other written statements of policy or interpretations formulated, adopted, or used by the agency in the discharge of its functions; and(4) Make available for public inspection all final orders, decisions, and opinions except those expressly made confidential or privileged by statute.(b) No agency rule, order, or decision shall be valid or effective against any person or party nor may it be invoked by the agency for any purpose until it has been published or made available for public inspection as required in this Code section. This provision is not applicable in favor of any person or party who has actual knowledge thereof.