(a) Every bill which creates a new criminal offense for which a sentence to the Department of Corrections may be imposed; or which enhances any class or category of offense to a higher grade or penalty for which a sentence to the Department of Corrections is authorized; or which requires a mandatory commitment to the Department of Corrections, shall have prepared for it prior to second reading in the house of introduction a brief explanatory statement or note which shall include a reliable estimate of the probable impact of such bill upon the overall resident population of the Department of Corrections and the probable impact which such bill will have upon the Department’s annual budget.
     (b) Every bill that (i) creates a new criminal offense for which a commitment to a juvenile detention facility, sentence of probation, intermediate sanctions, or community service may be imposed or (ii) enhances any class or category of offense to any grade or penalty for which adjudication, commitment, or disposition by a circuit court to the custody of a Probation and Court Services Department may result shall have prepared for it prior to second reading in the house of introduction a brief explanatory statement or note that shall include a reliable estimate of the probable impact of the bill upon the overall probation caseload Statewide and the probable impact the bill will have on staffing needs and upon the annual budgets of the Illinois Supreme Court and the counties of this State.