(1) The Arkansas School for the Blind and the Arkansas School for the Deaf may make special allowances available to any employee who performs one (1) of the following duties in addition to his or her normal duties: Teaching adult education classes on weekends or evenings;
(2) Coaching one (1) or more sports;
(3) Sponsoring a club or organization that involves additional hours outside the normal working day; or
(4) Interpretive services.
(5) Compensation for additional duties may not exceed three thousand dollars ($3,000) per school term for any one (1) employee during each fiscal year.