The annual state salaries contained in this chapter are based upon the following:
Absent an existing collective bargaining agreement to the contrary, district employees who work less than the specified time shall have their annual salary adjusted accordingly. Upon ratification of a new or extension of an existing collective bargaining agreement, the local district shall establish hours and days worked that are consistent with those specified above.
73 Del. Laws, c. 321, § 3; 76 Del. Laws, c. 80, § 340.