Section 15.04.01.067 - CALCULATION OF PAY01.Standard Calculation of Pay. For other than police, correctional officers, or fire employees, pay is calculated in the following order: b. All hours worked on a holiday as overtime;c. All hours worked over forty (40) in the workweek as overtime, excluding occasional or sporadic work;d. Vacation, sick and other paid or unpaid leaves; ande. All remaining hours worked at the employee's regular rate of pay.02.Shift Differential. Additional compensation paid to employees (including temporary or part-time employees) who work specific, designated hours. Shift differential is paid in addition to any other compensation. Shift differential may be awarded in amounts up to and including twenty-five percent (25%) of hourly rates, based on local market practice for similar jobs.Idaho Admin. Code r. 15.04.01.067