Form CPP-1, Installment Payment Plan Request is filled out by taxpayers who have tax delinquencies they cannot pay in full. If you have financial hardship and would like to sign an installment payment plan with the Department of Revenue, complete a CPP-1 Form.
This agreement will allow you to pay the tax delinquencies with regular payments. Your financial condition will decide the scheduled payment amount and the length of time that you have to pay.
This form was released by the Illinois Department of Revenue (IDOR). The latest version of this document was issued in March 2018 with all previous editions obsolete. A fillable CPP-1 Form is available for download below.