(425 ILCS 60/4) (from Ch. 127 1/2, par. 804)
    (Text of Section before amendment by P.A. 100-200)
    Sec. 4. (a) Willful failure to install or maintain in operating condition any smoke detector required by this Act shall be a Class B misdemeanor.
    (b) Tampering with, removing, destroying, disconnecting or removing the batteries from any installed smoke detector, except in the course of inspection, maintenance or replacement of the detector, shall be a Class A misdemeanor in the case of a first conviction, and a Class 4 felony in the case of a second or subsequent conviction.
(Source: P.A. 85-143; 100-863, eff. 8-14-18.)
 
    (Text of Section after amendment by P.A. 100-200)
    Sec. 4. (a) Except as provided in subsection (c), willful failure to install or maintain in operating condition any smoke detector required by this Act shall be a Class B misdemeanor.
    (b) Except as provided in subsection (c), tampering with, removing, destroying, disconnecting or removing the batteries from any installed smoke detector, except in the course of inspection, maintenance or replacement of the detector, shall be a Class A misdemeanor in the case of a first conviction, and a Class 4 felony in the case of a second or subsequent conviction.
    (c) A party in violation of the battery requirements of subsection (e) of Section 3 of this Act shall be provided with 90 days' warning with which to rectify that violation. If that party fails to rectify the violation within that 90-day period, he or she may be assessed a fine of up to $100, and may be fined $100 every 30 days thereafter until either the violation is rectified or the cumulative amount of fines assessed reaches $1,500. The provisions of subsection (a) and (b) of this Section shall apply only after the penalty provided under this subsection (c) has been exhausted to the extent that a violating party has reached the $1,500 cumulative fine threshold and has failed to rectify the violation.
    If the alleged violation has been corrected prior to or on the date of the hearing scheduled to adjudicate the alleged violation, then the violation shall be dismissed.
(Source: P.A. 100-200, eff. 1-1-23; 100-863, eff. 8-14-18.)