This chapter shall not apply nor be used to prosecute an individual who is disseminating material that may be classified as obscene under this chapter, if such individual is acting in the capacity as:
(1) A licensed medical practitioner or psychologist in the treatment of a patient or patients;
(2) A teacher of an accredited course of study in a state or federal approved educational institution;
(3) A participant in the criminal justice system, such as judge, prosecutor, attorney, law enforcement officials, legislators or other related officials;
(4) A supplier to any individual described in (1) through (3).
(1978 Code, § 24-1)