80 Ill. Adm. Code 1540.20
Member's Contribution and Service Credit
Section 1540
Section 1540.20 Member's
Contribution and Service Credit
a) The percentage of salary prescribed by the Act governing the
System as the rate of member contributions shall be applied against the actual
amount of compensation earned and accruing to the member, subject to any
statutory limitation on compensation.
b) For the purpose of computing creditable service for members
compensated on an hourly or per diem basis the following conversion to calendar
days shall be used:
1) Hourly basis
A) For service prior to September 1, 1956, 94 hours shall equal 15
calendar days; 47 hours to 94 hours shall equal 8 calendar days to 15 calendar
days; and less than 47 hours shall equal less than 8 calendar days.
B) For service from September 1, 1956 through June 30, 1981, 87
hours shall equal 15 calendar days; 44 hours to 87 hours shall equal 8 calendar
days to 15 calendar days; and less than 44 hours shall equal less than 8
calendar days.
C) For service after June 30, 1981, 75 hours shall equal 15
calendar days; 38 hours to 75 hours shall equal 8 calendar days to 15 calendar
days; and less than 38 hours shall equal less than 8 calendar days.
2) Per diem basis
A) For service prior to September 1, 1956, unless inconsistent
with a member's earnings records, 13 work days shall equal 15 calendar days, 6
work days to 13 work days shall equal 8 to 15 calendar days and less than 6
work days shall equal less than 8 calendar days.
B) For service from September 1, 1956 through June 30, 1981,
unless inconsistent with a member's earnings records, 11 work days shall equal
15 calendar days, 6 work days to 11 work days shall equal 8 to 15 calendar
days, and less than 6 work days shall equal less than 8 calendar days.
C) For service after June 30, 1981, unless inconsistent with a
member's earnings records, 10 work days shall equal 15 calendar days, 5 work
days to 10 work days shall equal 8 to 15 calendar days, and less than 5 work
days shall equal less than 8 calendar days.
c) For purposes of qualifying for membership only, any part of a
month of service shall equal one month.
A qualifying period interrupted by a Leave of Absence for
military service, other than reserve training which requires a guarantee of
regular pay, may be completed upon the employee's return to State service
within 6 months after discharge. Payment of the contributions required for the
qualifying period will establish eligibility of the employee to receive credit
for the military service subject to the conditions as set forth in the
Retirement Act. Any member reentering service shall not be required to serve
the qualifying period.