Part IV - SPECIAL SERVICE CREDIT RULES
- Section 5-173 - Hazardous duty service
- Section 5-174 - Educational leave
- Section 5-174a - Sick leave
- Section 5-175 - State-aided institutions
- Section 5-175a - Operators of vending stands in public buildings. Credit for prior years of service
- Section 5-175b - Time limit for purchase of certain kinds of service credit
- Section 5-176 - Prior public school service
- Section 5-177 - Credit for out-of-state or foreign service to educational institutions
- Section 5-177a - Credit for university employees with prior service as hospital pharmacist
- Section 5-178 - Probation officers
- Section 5-179 - Services paid for by federal grant
- Section 5-180 - Military service
- Section 5-181 - Credit for prior state service. Credit for service in the General Assembly
- Section 5-181a - Credit for service with United States federal government
- Section 5-181b - Continuation of membership during service as elected official
- Section 5-182 - Miscellaneous service credits
- Section 5-183 - Transferred county employees
- Section 5-184 - Credit for service with county or county agricultural extension office
- Section 5-185 - County trust funds transferred to retirement fund
- Section 5-186 - Transfer from Municipal Retirement Fund
- Section 5-187 - Sheriffs and chief deputies
- Section 5-187a - Credit for former service as deputy sheriff
- Section 5-187b - Special deputy sheriffs appointed before July 1, 1999: Membership and credit
- Section 5-187c - Special deputy sheriffs appointed on or after July 1, 1999, and judicial marshals employed on or after December 1, 2000: Membership and credit
- Section 5-188 - Retirement salary of detectives
- Section 5-189 - Credit to court employees for prior municipal service
- Section 5-190 - Court reporters to receive credit for service as municipal court stenographers
- Section 5-190a - Retirement credit for employees of the Criminal Justice Division and public defenders
- Section 5-190b - Participation in retirement systems by certain teachers at E. O. Smith School; certain service treated as continuous employment by board of education
- Section 5-191 - Credit for service to other states
- Section 5-191a - [Repealed]
- Section 5-192 - Credit for transferred McCook Hospital employees
- Section 5-192a - Credit for state college bookstore employees
- Section 5-192b - Credit for previous membership in a municipal retirement system
- Section 5-192c - Transfer from teachers' retirement system to state employees retirement system
- Section 5-192d - Administration of retirement funds for teachers at E. O. Smith School