Synopsis As Introduced Amends the Chicago Police Article of the Illinois Pension Code. Provides that certain participants are entitled to credit for service while on leave of absence from the police department of the city and assigned or detailed to perform in a sworn law enforcement capacity for: (1) the County of Cook, the State of Illinois, or the federal government (instead of assigned or detailed to perform safety or investigative work as an employee for the County of Cook, the State of Illinois, or the federal government); or (2) the department (instead of investigative work for the department while employed as a civilian employee of the police department of the city). Provides that the changes requiring an applicant for credit for other service to have been performing in a sworn law enforcement capacity are operative beginning January 1, 2024. Makes a conforming change. Amends the State Mandates Act to require implementation without reimbursement. Effective immediately.