Ill. Admin. Code tit. 50 § 4402.40
For purposes of calculating pension contributions and pension benefits, the following categories of pay shall not be considered compensation:
Compensation for unused accumulated vacation, sick, or personal time earned during employment, regardless of whether the compensation is received during employment or after termination.
Compensation for an extraordinary deed or accomplishment, which is not recurring in nature.
Compensation for the use of the employee's personal automobile.
Compensation for the purchase of meals while performing the duties required.
Compensation received for the purpose of providing housing, in whole or in part. The method of providing the housing, such as renting or purchasing, is irrelevant.
Compensation which is neither fixed in amount or determined by a reviewing bargaining agreement or pay plan, nor added into the salary for determining future increases.
Compensation paid for working more than the regular hours specified in the contract or pay plan.
Compensation for working a second or third shift, in addition to the salary attached to that rank or class.
Compensation received for temporarily performing the duties of a higher rank or specialty rank position shall not be considered salary unless and until this compensation has been received continually for one full year.
Compensation received as reimbursement or payment for the purchase of necessary uniforms and equipment for use in the performance of the required duties. This compensation may be paid as reimbursement or as a fixed amount, regardless of the actual amount expended.
Ill. Admin. Code tit. 50, § 4402.40
Amended at 20 Ill. Reg. 5838, effective April 9, 1996