Disclosure of this CPP-1 (R-01/26) information is required; failure to provide information may result in this form not being processed and may result in a penalty.
Tax periods: identify the tax periods covered by this agreement.
How often: check one of the following options to describe how often you will make payments: one payment per month, one payment per week or one payment every other week.
First payment: write the date of your first installment payment and payment amount.
Bank account: check this box if you do not have a bank account.
| Question | Answer |
|---|---|
| Form Name | Form CPP-1 |
| Form Length | 1 page |
| Fillable? | Yes |
| Fillable fields | 64 |
| Avg. time to fill out | 11 min |
| Edition | R-01/26 |
| Issuing agency | Illinois Department of Revenue |
| Matches the agency's file | Yes, checked October 3, 2026 |
| Other names | CPP-1, CPP1, Form CPP-1, CPP-1 form, Illinois CPP-1, CPP-1 Illinois, Installment Payment Plan Request |
| Official source | CPP-1 (R-01/26), Illinois Department of Revenue |
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