Buy-Sell Agreement in Illinois — Free PDF & Word (2026 Updated)

Plan for ownership transfer in a business

Sales Tax: 6.25%Notary: $1-$5Witnesses: 1

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BUY-SELL AGREEMENT
State of Illinois

This Buy-Sell Agreement is entered into on [DATE] between:

BUSINESS: [BUSINESS NAME]
Type: [  ] Corporation [  ] LLC [  ] Partnership
State: Illinois (IL)

OWNERS:
Owner 1: [NAME] — Ownership: [PERCENTAGE]%
Owner 2: [NAME] — Ownership: [PERCENTAGE]%

1. TRIGGERING EVENTS:
   [  ] Death of an owner
   [  ] Disability of an owner
   [  ] Retirement
   [  ] Voluntary withdrawal
   [  ] Divorce
   [  ] Bankruptcy

2. VALUATION METHOD:
   [  ] Fixed price: $[AMOUNT] (reviewed annually)
   [  ] Formula-based: [DESCRIBE]
   [  ] Independent appraisal

3. PAYMENT TERMS:
   [  ] Lump sum within [DAYS] days
   [  ] Installments over [MONTHS] months at [RATE]% interest

4. FUNDING:
   [  ] Life insurance
   [  ] Company reserves
   [  ] Promissory note

5. RIGHT OF FIRST REFUSAL: Remaining owners have [DAYS] days to match any outside offer.

This agreement is governed by Illinois law (IL Statutes).

OWNER 1: _____________________ DATE: _____
OWNER 2: _____________________ DATE: _____

FAQ: Buy-Sell Agreement in Illinois

Is a Buy-Sell Agreement required in Illinois?

Yes, in Illinois, a Buy-Sell Agreement is required for most transactions of this type. Under Illinois State Code, the document must include all parties' information, be signed, and witnessed by at least one individual. Failure to use a proper Buy-Sell Agreement may result in legal complications.

Does a Buy-Sell Agreement need to be notarized in Illinois?

Notarization requirements in Illinois (IL) vary by transaction type. Notary fees in the state typically range from $1-$5. While not always mandatory, notarization adds an extra layer of legal protection and is recommended for high-value transactions.

What are the tax implications of a Buy-Sell Agreement in Illinois?

Illinois has a base sales tax rate of 6.25%. Depending on the type of transaction documented in your Buy-Sell Agreement, additional local taxes may apply. Consult with a Illinois tax professional for specific guidance on your situation.

Buy-Sell Agreement Costs in Illinois

Estimated fees and processing times

Fee Type	Cost	Notes
Notary Fee	$5-$15 (if required)	Illinois standard rate: $1-$5
Filing Fee	Varies by state	State registration (if applicable)
Processing Time	1-3 business days	Typical turnaround in Illinois
Sales Tax	6.25%	Illinois base rate (local taxes may apply)
Witness Requirement	1 witness	Single witness sufficient
Our Template	FREE	Download instantly, no cost

Fees shown are Illinois-specific estimates. Contact your local office for exact pricing.

Where to File Your Buy-Sell Agreement in Illinois

Visit your local County Clerk office to file or notarize your Buy-Sell Agreement.

Cook County Clerk

Chicago

118 N Clark St, Chicago, IL 60602

Sangamon County Clerk

Springfield

200 S 9th St, Springfield, IL 62701

Peoria County Clerk

Peoria

324 Main St, Peoria, IL 61602

Illinois Buy-Sell Agreement Requirements

Review the following requirements to ensure your Buy-Sell Agreement is legally valid in Illinois.

Notarization required

1 witness must sign

Vehicle identification number (VIN) required

Odometer disclosure mandatory

Buyer and seller signatures required

Purchase price must be stated

Date of sale required

Blue or black ink only

Electronic signatures accepted

County clerk filing required

Illinois Notarization

While notarization may not be required in Illinois, it is recommended. Fees range from $1-$5.

Before You Sign

Review all information carefully. In Illinois, a 6.25% sales tax may apply.

Legal Protection

Keep copies of all signed documents. Illinois law requires all parties to receive copies of executed documents.

Illinois Filing Deadlines

Check Illinois deadlines for filing or recording this document with the appropriate county clerk's office.

MCE

Reviewed & Fact-Checked

Michael Chen, Esq.

Real Estate Law Consultant

Bar Certified, Real Estate Expert

Expert in property transactions and real estate documentation

This Buy-Sell Agreement template for Illinois has been reviewed for accuracy and legal compliance.

Last reviewed: March 2026

Illinois Buy-Sell Agreement Legal Guide

Under Illinois jurisdiction, this form meets all statutory requirements and provides comprehensive legal protection for your transaction.

Pursuant to Illinois State Code in Illinois, this Buy-Sell Agreement must meet specific criteria. The applicable sales tax is 6.25%. Notarization, which costs $1-$5 in IL, may be required depending on the transaction type. 1 witness is needed.

This document offers comprehensive legal protection tailored specifically to Illinois's unique statutory framework.

business successionownership transfertriggering eventbusiness valuationbuyout agreement

Navigating Illinois's legal landscape for a Buy-Sell Agreement doesn't have to be complicated. This guide breaks down everything IL residents need to know — from required fields to filing procedures — so you can complete your document with confidence.

Step-by-Step Process

1. Download the template — Our Illinois-specific form includes all fields required by IL law.
2. Enter your information — Fill in names, addresses, dates, and transaction details accurately.
3. Review carefully — Double-check all entries against your source documents.
4. Sign and witness — Execute the document according to Illinois's signature requirements.
5. Notarize if needed — Some Illinois transactions require notarization.
6. File or distribute — Provide copies to all parties and file with the appropriate Illinois office if required.

Smart Practices for IL Compliance

Illinois has specific rules that differ from neighboring states. Always verify your document against current IL statutes, especially if you're using a template from a previous year. Laws change, and what was valid last year in Illinois may need updating for 2026.

Enforceability in Illinois

A Buy-Sell Agreement that meets all IL requirements is fully enforceable in Illinois. Courts in Illinois have consistently upheld documents that demonstrate clear intent, proper execution, and compliance with state formalities. Keep your original signed copy in a secure location.

What Illinois Law Requires

Illinois's statutes are clear: a valid Buy-Sell Agreement must identify all parties by full legal name, include the date of execution, and be signed in the presence of at least one witness where applicable. Failure to meet these requirements under IL law can render the document unenforceable.

Other Forms in Illinois

Buy-Sell Agreement in Neighboring States

Document Information

Document: Buy-Sell Agreement
State: Illinois (IL)
Category: Business
Format: PDF / Word / Print
Cost: 100% Free
Sales Tax: 6.25%
Notary Fee: $1-$5

Illinois Legal Requirements

Governing Statute:

State Law

✓Consult with a licensed attorney for specific requirements

Legal Disclaimer

This template is for informational purposes only and does not constitute legal advice. Laws in Illinois may change. Consult a licensed attorney for advice specific to your situation.