It is the policy of the State of South Dakota that citizens of this state and of the United States may not be deprived of their freedom of speech guaranteed them by the constitutions of the United States of America and of the State of South Dakota, by reason of the fact that they are state officers and employees. No state agency may pass a rule restricting or prohibiting the constitutionally guaranteed right of its employees and officers to express their opinions.
SDCL 3-6C-19