Are late fees for overdue lease or rental payments subject to Illinois sales tax?

Plain-English summary

A tax-compliance software firm that tracks state and local indirect taxes for its customers asked the Department a simple but common question: are "late charges" -- extra amounts billed when a periodic lease or rental payment comes in after its due date -- subject to Illinois sales tax, and does it matter whether the underlying deal is a lease/rental or an outright sale?

The Department's answer: late charges ARE taxable, and it doesn't matter whether the transaction is a sale or a lease. Illinois defines taxable "gross receipts" broadly as all the consideration actually received by the seller (except traded-in property), and its regulations specifically say that if a seller adds a late charge or penalty to the base price when a customer misses the payment deadline, and that penalty is actually paid, it becomes part of the taxable gross receipts from the sale -- taxed the same as the rest of the transaction.

The lease angle matters because of a significant 2025 change: starting January 1, 2025, Illinois extended its Retailers' Occupation Tax to LEASES of tangible personal property, not just outright sales. Before that date, ordinary equipment/property leases generally weren't taxed the way retail sales were. Now, a "lease" (a transfer of possession or the right to use property, without transferring title, for a fixed or indefinite term, for consideration) is treated as a "sale" for state and local retailers' occupation tax purposes -- meaning lease receipts get taxed, existing sales tax exemptions carry over to leases, and -- per this letter -- a late fee tacked onto a lease payment is taxed the same way a late fee on a sale would be.

What this means for you

Equipment and property lessors/rental businesses

If you started charging Illinois sales tax on lease/rental receipts because of the January 1, 2025 change, remember that late fees you collect for overdue lease payments are part of that same taxable base -- don't treat late fees as a separate, non-taxable penalty income stream.

Retailers who charge late fees on installment or delayed-payment sales

The same rule applies to ordinary retail sales: any late charge or penalty you actually collect for a missed payment deadline becomes part of your taxable gross receipts, just like the base sale price.

Accountants, tax software providers, and compliance professionals

Since the January 1, 2025 lease-tax expansion (35 ILCS 120/1, 120/2, 120/2-5), remember that leases now generally follow the SAME gross-receipts and exemption rules as sales for state and local Retailers' Occupation Tax purposes -- so rules like the late-charge inclusion in 86 Ill. Adm. Code 130.420(b), originally written with sales in mind, now apply equally to lease receipts.

Common questions

Q: Are late fees on a retail installment sale taxable in Illinois?
A: Yes. A late charge or penalty added to the base price when a customer misses a payment deadline, once actually paid, becomes part of the seller's taxable gross receipts.

Q: Does it matter whether the transaction is a lease/rental instead of an outright sale?
A: Not for this purpose. Since January 1, 2025, Illinois taxes most tangible-property leases the same way it taxes sales, so late charges on lease payments are taxed the same as late charges on sale payments.

Q: When did Illinois start taxing equipment/property leases?
A: Lease receipts received on or after January 1, 2025 are subject to State and local Retailers' Occupation Tax, for leases in effect, entered into, or renewed on or after that date.

Q: Do existing sales tax exemptions still apply to leases?
A: Yes -- the 2025 change extended all Retailers' Occupation Tax and Use Tax exemptions to leases as well, not just to outright sales.

Q: Can I rely on this letter for my own leasing or rental business?
A: No. This is a General Information Letter -- it's not binding on the Department. Confirm how the 2025 lease-tax rules apply to your specific contracts with a tax professional.

Citations and references

Statutes:

• 35 ILCS 120/2 (2025 lease-tax expansion; Retailers' Occupation Tax on lessors)
• 35 ILCS 120/1 (definition of "sale" including a lease, effective 2025)
• 35 ILCS 120/2-5 (extension of exemptions to leases)

Regulations:

• 86 Ill. Adm. Code 130.101; 150.101 (Retailers' Occupation Tax and Use Tax imposition)
• 86 Ill. Adm. Code 130.401 (definition of "gross receipts")
• 86 Ill. Adm. Code 130.420(b) (late charges/penalties included in taxable gross receipts)

Source

• Landing page: Illinois 2026 Sales Tax Letter Rulings
• Original PDF: ST26-0016-GIL.pdf

Original ruling text

ST 26-0016-GIL
05/05/2026 GROSS RECEIPTS
Gross receipts include all the consideration actually received by the seller, which
includes late charges and penalties for late payment. 86 Ill. Adm. Code 130.420.
(This is a GIL).
May 5, 2026
NAME
TITLE
COMPANY
ADDRESS
EMAIL
Dear NAME:
This letter is in response to your email dated March 25, 2026, in which you requested
information. The Department issues two types of letter rulings. Private Letter Rulings
(“PLRs”) are issued by the Department in response to specific taxpayer inquiries concerning
the application of a tax statute or rule to a particular fact situation. A PLR is binding on the
Department, but only as to the taxpayer who is the subject of the request for ruling and only
to the extent the facts recited in the PLR are correct and complete. Persons seeking PLRs
must comply with the procedures for PLRs found in the Department’s regulations at 2 Ill.
Adm. Code 1200.110. The purpose of a General Information Letter (“GIL”) is to direct
taxpayers to Department regulations or other sources of information regarding the topic
about which they have inquired. A GIL is not a statement of Department policy and is not
binding on the Department. See 2 Ill. Adm. Code 1200.120. You may access our website at
https://tax.illinois.gov/ to review regulations, letter rulings and other types of information
relevant to your inquiry.
The nature of your inquiry and the information you have provided require that we
respond with a GIL.
INQUIRY:
I represent a tax software firm that monitors all state and local indirect taxes
across the United States called COMPANY. Customers leverage our software
to ensure maximum compliance with state and local indirect tax collection
and remittance requirements. We are inquiring about the taxability of “Late
Charges” in Illinois, which we would define as “The amount charged a
customer when the periodic lease/rental payment is received after the due
date.”

COMPANY
Page 2
May 5, 2026
Would those charges be taxable? And would it matter if it was a “lease/rental”
transaction or a “sales” transaction?
DEPARTMENT’S RESPONSE:
The Illinois Retailers’ Occupation Tax Act imposes a tax upon persons engaged in this
State in the business of selling tangible personal property at retail to purchasers for use or
consumption. See 86 Ill. Adm. Code 130.101. In Illinois, Use Tax is imposed on the privilege
of using, in this State, any kind of tangible personal property that is purchased anywhere at
retail from a retailer. See 86 Ill. Adm. Code 150.101. These taxes comprise what is commonly
known as “sales” tax in Illinois.
Effective January 1, 2025, persons engaged in the business of leasing tangible
personal property at retail (“lessors”) in Illinois are subject to State and local Retailers’
Occupation Tax on the gross receipts from leases of tangible personal property made in the
course of business. See 35 ILCS 120/2. A “lease” is defined as a transfer of the possession
or control of, the right to possess or control, or a license to use, but not title to, tangible
personal property for a fixed or indeterminate term for consideration, regardless of the name
by which the transaction is called, but does not include a lease entered into merely as a
security agreement that does not involve a transfer of possession or control from the lessor
to the lessee. On and after January 1, 2025, for purposes of State and local retailers’
occupation taxes, the term “sale” includes a lease. See 35 ILCS 120/1. This includes the
extension of all exemptions from Retailers’ Occupation Tax and Use Tax to leases. See 35
ILCS 120/2-5. The tax applies to lease receipts received on or after January 1, 2025 for leases
in effect, entered into, or renewed on or after that date. The lessor must remit for each tax
return period the tax applicable to lease receipts received during that tax return period. See
35 ILCS 120/2.
Gross receipts subject to Retailers’ Occupation Tax are defined as “all the
consideration actually received by the seller, except traded-in tangible personal property.”
See 86 Ill. Adm. Code 130.401. If a seller adds a late charge or other penalty to the base retail
price in the event that the purchaser does not pay such price within a specified time and
such penalty is paid to the seller, such penalty becomes part of the taxable gross receipts
from the sale. See 86 Ill. Adm. Code 130.420(b). With the inclusion of leases as subject to
State and local retailers’ occupation taxes, this equally applies to lease transactions. See
35 ILCS 120/1.
I hope this information is helpful. If you require additional information, please visit
our website at https://tax.illinois.gov/ or contact the Department’s Taxpayer Information
Division at 800-732-8866.

COMPANY
Page 3
May 5, 2026
Very truly yours,

George L. Encarnacion, Jr.
Associate Counsel
GLE:sce

Printed by the authority of the state of Illinois.
Electronic Only - One Copy
Issued 05/05/2026; Redacted 05/13/2026