Illinois General Assembly - Illinois Compiled Statutes

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40 ILCS 5/13-402

(40 ILCS 5/13-402) (from Ch. 108 1/2, par. 13-402)

Sec. 13-402. Length of service.

For the purpose of computing the length
of service for the retirement annuity, surviving spouse's annuity, and
child's annuity, and calculating the minimum service requirement for
payment of military service under subsection (b) of Section 13-403,
service of 120 days in any one calendar year shall constitute one year
of service and service for any fractional part thereof shall constitute an
equal fractional part of one year of service unless specifically provided
otherwise.  For all other purposes under this Article, including but not
limited to the optional plans of additional benefits and contributions provided
under Sections 13-304, 13-304.1, and 13-314 of this Article, 26 pay periods of service
during any 12 consecutive months shall constitute a year of service, and
service rendered for 50% or more of a single pay period shall constitute
service for the full pay period.  Service of less than 50% of a single pay
period shall not be counted.

(Source: P.A. 93-334, eff. 7-24-03; 94-621, eff. 8-18-05.)