725 ILCS 5/116-1: Motion for new trial.

(a) Following a verdict or finding of guilty the court may grant the defendant a new trial.

(b) A written motion for a new trial shall be filed by the defendant within 30 days following the entry of a finding or the return of a verdict. Reasonable notice of the motion shall be served upon the State.

(c) The motion for a new trial shall specify the grounds therefor.