Except for a director who is also a member of the governing body of a municipal corporation or county, each director or member of the governing board or body of a development authority shall attend and complete at least eight hours of training on development and redevelopment programs within the first 12 months of the director's or member's appointment to the development authority. Directors and members in office on January 1, 2000, shall be exempt from this requirement unless reappointed for an additional term.