(a) The commission shall issue an appropriate officer or county jailer license to a person who, as required by this chapter:
(1) submits an application;
(2) completes the required training;
(3) passes the required examination;
(4) is declared to be in satisfactory psychological and emotional health and free from drug dependency or illegal drug use; and
(5) demonstrates weapons proficiency.
(b) The commission may issue a permanent license to a person who meets the requirements of this chapter and the rules prescribed by the commission to serve as an officer.
(c) The commission may issue a temporary or permanent license to a person to serve as a county jailer.