Synopsis As Introduced Amends the Illinois Municipal Retirement Fund (IMRF) Article of the Illinois Pension Code. Prohibits a sheriff's law enforcement employee who begins service in that capacity after the effective date of the amendatory Act from being able to convert up to 10 years of service in any other capacity into service as a sheriff's law enforcement employee. Provides that, on and after the effective date of the amendatory Act, an elected county officer will not be able to elect to establish alternative credits for an alternative annuity. Amends the State Mandates Act to require implementation without reimbursement. Effective immediately.