The various disciplinary actions shall be divided into classes as follows:
A. Class I - Termination; suspension without pay for more than thirty (30) days; demotion of more than one (1) job classification rank.
B. Class II - Suspension without pay for thirty (30) days or less; demotion of one (1) job classification rank.
C. Class III - Reduction of salary or compensation not exceeding one (1) pay step within the applicable salary or compensation range established for the employee's job classification.
D. Class IV - Written reprimand filed in employee's permanent personnel file.
Disciplinary actions do not include: layoffs; denial of leave requests, promotions or pay increases; changes in shifts, work hours, or work schedules; decreases in pay or benefits made pursuant to collective bargaining; terminations or demotions during an employee's probationary period; temporary duty assignments to a different job classification.