Reserve conservation officer commissions shall be issued only to the following:
A. persons who have successfully completed a school of at least twenty-five hours, conducted by the department of game and fish [department of wildlife], covering procedures and techniques of wildlife management, law enforcement, public relations and such other subjects as may be deemed desirable by the department of game and fish [department of wildlife].
B. the director may substitute a minimum of six months experience as an employee of a state or federal conservation agency or a state livestock law enforcement board in lieu of the aforementioned schooling. Any substitution made under the provisions of this paragraph shall be limited to personnel currently employed by one of the aforementioned conservation agencies. Any appointments the director may make under the provisions of this paragraph will terminate automatically with the termination of employment by said agency of the individual so appointed or the individual's transfer from the state.