730 ILCS 5/5-4-1
2021 Illinois Compiled Statutes|Chapter 730 - CORRECTIONS|730 ILCS 5/ - Unified Code of Corrections.|Chapter V - Sentencing

. Those reasons may include any mitigating or aggravating factors specified in this Code, or the lack of any such factors, as well as any other mitigating or aggravating  factors that  the judge sets forth on the record that are consistent with the purposes and principles of sentencing set out in this Code.(d) MOTION TO REDUCE SENTENCE. A motion to reduce a sentence may be made, or the court may reduce a sentence without motion, within 30 days after the sentence is imposed. A defendant's challenge to the correctness of a sentence or to any aspect of the sentencing hearing shall be made by a written motion filed with the circuit court clerk within 30 days following the imposition of sentence. A motion not filed within that 30-day period is not timely. The court  may not increase a sentence once it is imposed. A notice of motion must be filed with the motion. The  notice of motion shall set the motion on the court's calendar on a date certain within a reasonable time after the date of filing.If a motion filed pursuant to this subsection is timely filed, the proponent of the motion shall exercise due diligence in seeking a determination on the motion and the court shall thereafter decide the  motion within a reasonable time.If a motion filed pursuant to this subsection is timely filed, then for purposes of perfecting an appeal, a final judgment is not  considered to have been entered until the motion to reduce the  sentence has been decided by order entered by the trial court.(e) CONCURRENT SENTENCE; PREVIOUS UNEXPIRED FEDERAL OR OTHER-STATE SENTENCE. A defendant who has a previous and unexpired sentence of imprisonment imposed by another state or by any district court of the United States and who, after sentence for a crime in Illinois, must return to serve the unexpired prior sentence may have his or her  sentence by the Illinois court ordered to be concurrent with the prior other-state or federal sentence. The court may order that any time served on the unexpired portion of the other-state or federal sentence, prior to his or her  return to Illinois, shall be credited on his or her Illinois sentence. The appropriate official of the  other state or  the United States   shall be furnished with a copy of the order imposing sentence, which shall provide that, when the offender is released from other-state or federal confinement, whether by parole or by termination of sentence, the offender shall be transferred by the Sheriff of the committing Illinois county to the Illinois Department of Corrections. The court shall cause the Department of Corrections to be notified of the  sentence at the time of commitment and to be provided with copies of all records regarding the sentence.(f) REDUCTION; PREVIOUS UNEXPIRED ILLINOIS SENTENCE. A defendant who has a previous and unexpired sentence of imprisonment imposed by an Illinois circuit court for a crime in this State and who is subsequently sentenced to a term of imprisonment by another state or by any district court of the United States and who has served a term of imprisonment imposed by the other state or district court of the United States, and must return to serve the unexpired prior sentence imposed by the Illinois circuit court, may apply to the Illinois circuit  court that  imposed sentence to have his or her  sentence reduced.The circuit court may order that any time served on the sentence imposed by the other state or district court of the United States be credited on his or her  Illinois sentence. The  application for reduction of a sentence under this subsection shall be made within 30 days after the defendant has completed the sentence imposed by the other state or district court of the United States.(g) NO REQUIRED BIRTH CONTROL. A court may not impose a sentence or disposition that requires the defendant to be implanted or injected with or to use any form of birth control.    (Source: P.A. 100-987, eff. 7-1-19; 100-1161, eff. 7-1-19.)