Until the completion of the probationary period, an employee accrues SERVICE in
the class. After satisfactory completion of the probationary period, the employee
accrues SENIORITY in the class retroactive to the original date of employment
in the class.
Except as provided in Civil Service Rules 250.120(f), (g), (h), and (j), seniority
is accumulated on the basis of hours in pay status.
A status employee accumulates seniority while on:
- Leave of absence for disability, for the entire period of compensable time off (except if subject to layoff), when payment is received from either the Employer or the Retirement System, including any period not compensated for between expiration of institutional benefits and the beginning of benefit payments from the Retirement System.
- Leave of absence for an occupational or work-related disability that becomes the subject of payment of income benefits as defined by the Workers’ Compensation Act, the Illinois Occupational Disease Act, a State self-insurance program, or other appropriate authority.
- Authorized Absence without pay, so long as such leave does not exceed 30 work days in a calendar year. The employee would accrue up to 30 days of seniority.
- Layoff, so long as such layoff period does not exceed 30 consecutive work
days. The employee would accrue up to 30 days of seniority. Seniority does accrue
during layoff occasioned by a break in the academic calendar for the duration
of the break.
- Military leave, and for 90 calendar days after discharge, or separation,
provided such discharge or separation is under conditions other than dishonorable,
and provided such employee is reemployed in a position of the same class as
that in which employed prior to such leave.
- Temporary upgrading or downgrading assignment for a period not in excess
of 30 consecutive work days. Seniority accumulates only in the class in which
the employee holds certified status or in other classes within the promotional
line, no higher than the temporary assignment class, in which the employee has
An employee does not accrue seniority when:
- On layoff beyond 30 consecutive work days (other than a break in the academic calendar).
- On authorized absence without pay beyond 30 work days in a calendar year. (Employee will accrue up to 30 days.)
- On disciplinary suspension.
- The employee accepts employment outside a recognized lesser unit except as provided in Civil Service Rule 250.120(k). An employee does not transfer seniority from one lesser unit to another.
- Receiving payment of vacation at time of separation.
- Working overtime.
- An employee on disability has exhausted all institutional and Retirement System benefits to which entitled.
- Employed in a Provisional or other Nonstatus Appointment.
A status employee may transfer his/her accrual rate for sick leave and vacation
from one place of employment to another but does not transfer service or seniority.
A State of Illinois Personnel Code employee transfers status (probationary
or status employee) but not seniority (except as it establishes eligibility
for the accrual of benefits) when the employee transfers to a position under
A status employee retains seniority in his/her former class, or in a lower
class in the promotional line whether or not the employee has had service in
such lower class, when the employee accepts a position in a class outside the