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Illinois Department of Revenue
2023 Schedule UB/INS Instructions
General Information
What is the purpose of Schedule UB/INS?
The purpose of Schedule UB/INS, Tax for a Unitary Business Group with Foreign Insurer Members, is to allow your foreign insurer members
to possibly reduce the unitary group’s Illinois income and replacement tax liability.
Effective for tax years ending on or after December 31, 1999, if a member of your unitary group is a foreign insurer whose state or country
of domicile imposes a retaliatory tax on insurers domiciled in Illinois, you should complete this schedule to determine if it would reduce your
unitary group’s tax liability. The rates are reduced to the point that the total Illinois tax imposed equals the tax the state or country of domicile
would impose on the amount of your foreign insurer members’ Illinois net income.
Note: This reduction in rates does not apply to an insurer that is primarily a reinsurer. If 50 percent or more of a foreign member’s total
insurance premiums for the tax year are from reinsurance, treat that member as a domestic member on this schedule.
The reduction in tax rates cannot reduce the total of your foreign insurer members’ income and replacement taxes, privilege tax, fire
insurance taxes, and fire department taxes below 1.75 percent of your foreign insurer members’ premiums subject to privilege tax. The rate
reduction is applied against income tax first. Once your group’s income tax is reduced to zero, the rate reduction is applied against your
group’s replacement tax.
What forms must I use?
In general, you must obtain and use forms prescribed by the Illinois Department of Revenue (IDOR). Separate statements not on forms
provided or approved by IDOR will not be accepted and you will be asked for appropriate documentation. Failure to comply with this
requirement may result in failure to file penalties, a delay in the processing of your return, or a delay in the generation of any
refund. Additionally, failure to submit appropriate documentation when requested may result in a referral to our Audit Bureau for compliance
action.
Should I round?
You must round the dollar amounts on Schedule UB/INS to whole-dollar amounts. To do this, you should drop any amount less than 50 cents
and increase any amount of 50 cents or more to the next higher dollar.
What if I need additional assistance or forms?
• For assistance, forms, or schedules, visit our website at tax.illinois.gov or scan the QR code provided.
• Write us at
ILLINOIS DEPARTMENT OF REVENUE
P.O. BOX 19001
SPRINGFIELD, IL 62794-9001
• Call 1 800 732-8866 or 217 782-3336 (TTY at 1 800 544-5304).
• Visit a taxpayer assistance office - 8:00 a.m. to 5:00 p.m. (Springfield Office) and 8:30 a.m. to 5:00 p.m.
(all other offices), Monday through Friday.
What must I attach to Schedule UB/INS?
For each foreign insurer member for whom you did not check the box on Line 25, you must attach a pro forma return from that member’s
state or country of domicile, showing the amount of tax that member would owe to that state or country on its share of your unitary group’s
Illinois net income.
Specific Instructions
If a specific line is not referenced, follow the instructions on the form.
Note: Before you can complete Schedule UB/INS, you must first complete
• Steps 1 through 7 of your Form IL-1120, Corporation Income and Replacement Tax Return, and
• all steps of your Schedule UB, Combined Apportionment for Unitary Business Group.
Use additional Schedules UB/INS if you have more than three foreign insurer members.
Step 1 is used to determine each foreign insurer member’s share of the total tax liability and credits of the unitary business group.
Lines 1, 2b, 7, 9, 14, and 17 — For each column, follow the instructions on the form.
Line 13 - Multiply Line 39 by 7.00% (.07).
Schedule UB/INS Instructions (R-12/23) Printed by the authority of the state of Illinois - electronic only - one copy. Page 1 of 2
