(1) Officers, employees or agents of cellular telephone service providers who engage in conduct prohibited by ORS 165.577, 165.579 or 165.581 for the purpose of constructing, maintaining or conducting the radio telecommunication service or for law enforcement purposes;
(2) Law enforcement officers and public officials in charge of jails, police premises, sheriffs’ offices, Department of Corrections institutions and other penal or correctional institutions, or any other person under the color of law, who engages in conduct prohibited by ORS 165.577, 165.579 or 165.581 for the purpose of law enforcement or in the normal course of the officer’s or official’s employment activities or duties; and
(3) Officers, employees or agents of federal or state agencies that are authorized to monitor or intercept cellular telephone service in the normal course of the officer’s, employee’s or agent’s employment. [1995 c.524 §5]