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Installment Promissory Note · Illinois

Free Illinois Installment Promissory Note Forms

Create a Illinois-compliant installment promissory note that meets all IL state requirements. Our attorney-reviewed template ensures compliance with Illinois's usury laws and lending regulations.

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Last updated March 14, 2026

Illinois Installment Promissory Note Overview

An installment promissory note in Illinois must comply with the state's usury limit of 9% and follow Illinois's lending regulations. The note establishes a fixed payment schedule where the borrower repays the loan through regular installments of principal and interest over an agreed-upon period. Each payment follows an amortization schedule that shows exactly how much goes toward reducing the principal versus covering interest charges.

Illinois law provides specific protections for both lenders and borrowers in installment note transactions. The state requires that interest rates stay within the usury limit, that grace periods of 5 days are observed before assessing late fees, and that acceleration clauses include proper notice requirements. Prepayment penalty status in Illinois: Limited.

9%

Usury rate

No cap

Late fee limit

5 days

Grace period

Limited

Prepayment penalty

Illinois Requirements

Illinois has specific requirements for installment promissory notes that both parties should understand before entering into the agreement.

  • Interest Rate: Must not exceed Illinois's usury limit of 9%
  • Written Agreement: Must be in writing and signed by the borrower (maker)
  • Clear Terms: Principal amount, interest rate, payment schedule, and maturity date must be clearly stated
  • Default Terms: Late fees, grace periods, and acceleration clause must comply with Illinois law
  • Governing Law: The note should specify Illinois as the governing jurisdiction

How to Create a Illinois Installment Promissory Note

Follow these steps to create a Illinois-compliant installment promissory note using our template.

1

Enter Party Information

Provide the full legal names and Illinois addresses of both the lender (payee) and borrower (maker). Include the date the note is being executed.

2

Define Loan Terms

Specify the principal amount, interest rate (within Illinois's 9% usury limit), payment schedule, and maturity date. Our template calculates the payment breakdown automatically.

3

Set Default and Late Payment Terms

Define the grace period, late fee amount, acceleration clause triggers, and notice requirements. Our Illinois template includes compliant default language.

4

Sign and Execute

The borrower must sign and date the note. Consider notarization for added legal protection. Both parties should retain a copy. If secured by collateral, file the appropriate security instrument with Illinois's recording office.

Creating an Installment Note in Illinois

When creating an installment promissory note in Illinois, ensure your interest rate does not exceed the 9% usury limit, include a grace period of at least 5 days before assessing late fees (No cap), clearly state the amortization schedule and payment breakdown, include proper acceleration clause language with required notice periods, and specify whether prepayment is allowed (current status: Limited). Our Illinois-specific template handles all of these requirements automatically.

Illinois Usury Warning

Illinois's usury limit is 9%. Charging interest above this rate can render your promissory note unenforceable and may subject the lender to penalties under Illinois law. Our template automatically validates your interest rate against Illinois's current limits.

Illinois Installment Promissory Note FAQ

Answers to common questions about installment promissory notes in Illinois.

Official Illinois Resources

Use these official resources to verify Illinois requirements for your installment promissory note.

Other Illinois Promissory Note Types

Need a different type of promissory note for Illinois? We offer state-specific templates for every type of promissory note.

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