(a) In any contract of employment entered into by and between a school district and a teacher as defined by Acts 1979, No. 766 [repealed], any provision therein specifying that the employee's salary may be decreased to conform to legal fiscal requirements or any other attempt therein to make the salary to be paid to the employee less than definite and certain as to the minimum amount of salary is declared to be null and void as opposed to the public policy of the State of Arkansas.
(b) In any contract attempting to make a teacher's salary less than definite and certain by qualifying language, the amount of stated salary without such qualifying language shall be the minimum amount the employee is entitled to receive for services rendered.
(c) The remaining provisions of any contract found to be in violation of the provisions of this section shall be given full force and effect.