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                                 Form 41ES — Worksheets
                                 Business Income Tax Payments
                         Use the worksheet in Part A to compute your business estimated tax payments.
                  Use the worksheet in Part B to determine if you need to make an extension of time payment.
     If you’re making a Form ABE, Affected Business Entity Election payment before filing a return, use the voucher below.
A. Business Estimated Tax Payments Worksheet
     1.  2022 estimated Idaho taxable income .......................................................................................             1. 
     2.  Income tax on estimated Idaho taxable income. Multiply line 1 by 6% ......................................                              2. 
     3.  Permanent building fund tax ($10 or, if a combined report, multiply $10 by the number 
         of corporations required to file an Idaho income tax return) ......................................................                     3. 
     4.  Tax from recapture of business income tax credits. See Form 44, Part II, for a complete list ...                                        4. 
     5.  Total income tax. Add lines 2 through 4 .....................................................................................           5. 
     6. Estimated income tax credits .....................................................................................................       6. 
     7.  2022 estimated income taxes payable. Line 5 minus line 6 ......................................................                         7. 
         (If the amount is less than $500, stop here. You aren’t required to make estimated tax payments.)
     8.  Multiply line 7 by 90% ................................................................................................................ 8. 
     9. Idaho total tax less the total of the fuels tax, sales/use tax, tax from recapture of 
         qualified investment exemption (QIE), and the tax reimbursement incentive credit 
         from the 2021 tax return ............................................................................................................   9. 
     10. Estimated tax payments. Multiply the smaller of lines 8 or 9 by 25%. This is the 
         amount of each estimated tax payment .....................................................................................              10. 

B. Extension of Time Payment Worksheet                                                                                                                   Yes        No
     1.  Was a tax return filed last year? .................................................................................................     1. 
     2.  If yes, enter the total tax less the total of the fuels tax, sales/use tax, tax from recapture 
         of QIE, and the tax reimbursement incentive credit from the 2021 tax return ............................                                2. 
     3.  2022 estimated income tax due less estimated income tax credits. (Estimated tax due 
         includes the $20 minimum tax, the $10 permanent building fund tax, and tax from recapture 
         of business income tax credits.) See instructions ......................................................................                3. 
     4.  Multiply line 3 by 80% ................................................................................................................ 4. 
     5.  If you answered yes to the question on line 1, enter the smaller amount from line 2 or 4.
         If you answered no, enter the amount from line 4 ......................................................................                 5. 
     6. Estimated tax payments and tentative payments ......................................................................                     6. 
     7.  Payment. Line 5 minus line 6. If $50 or less, a payment isn’t required .....................................                            7. 
     Pay online at tax.idaho.gov/epay (don’t send voucher). Sending check and/or money order? Use voucher below.

                                                                                                                                                 Mail to:
                                 Form 41ES — Voucher                                                                                             Idaho State Tax Commission
                                 Estimated Tax Payment/Extension of Time Payment                                                                 PO Box 83784
                                 Business Income Tax                                                                                             Boise ID 83707-3784
                                                            Mo    Day       Year              Mo         Day                                        Year
For calendar year                , or fiscal year beginning                      ending
Business name                                                                                 Federal Employer Identification Number (EIN)

Current business mailing address                                                              Tax code
                                                                                                                                                   05
City                                                        State     ZIP code                Tran code
                                                                                                                                                   10
Name/address change?                                Combined report?                          Amount paid
              Yes                No                                   Yes        No           $                                                                     .00
  Type of Payment                                                              Type of Return to be Filed
1    Estimated Tax        3      Qualified Investment Exemption (QIE)     1    Corporation - Form 41     3                                       Fiduciary - Form 66
2    Extension of Time    4      Affected Business Entity Election (ABE)  2    S Corporation - Form 41S  4                                       Partnership - Form 65
EFO00026      10-27-2022  



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                      Form 41ES — Instructions
                      Business Income Tax Payments

A. Business Estimated Tax Payments                     Computation of Estimated Tax Payments 
Who Must Make Estimated Tax Payments                   The Form 41ES worksheet allows you to compare the 
A corporation must make estimated tax payments         income tax on last year’s return with the anticipated 
to the Tax Commission if it’s required to make         income tax for the current year. Use the smaller of the 
estimated tax payments to the Internal Revenue         two amounts to determine the estimated tax payment 
Service and will have an Idaho income tax liability    for each period. If your estimated tax payments are 
of $500 or more. Estimated tax payments aren’t         based on 90% of the income tax required to be paid 
required if the corporation wasn’t required to file an on the current year’s return and the anticipated income 
Idaho return the previous tax year.                    tax for the current year is revised, use the revised 
                                                       amount to recompute any remaining estimated tax 
If you received personalized payment vouchers 
                                                       payments.
(Form 41EST), use the appropriate voucher 
for each filing period. If any of the preprinted       Due Dates 
information is incorrect, draw a line through it, and  For calendar year taxpayers, estimated tax payments 
enter the correct information. Check the mailing       are due by the 15th day of April, June, September, and 
address change box on the voucher if there’s a         December. For fiscal year taxpayers, estimated tax 
change in your mailing address. If you don’t have      payments are due by the 15th day of the 4th, 6th, 9th, 
a preprinted form, use the Form 41ES, available at     and 12th months of the tax year.
tax.idaho.gov.
                                                       The due dates for the federal and Idaho estimated 
Estimated Tax Payments                                 tax payments are the same. If the due date is on a 
Each estimated tax payment must be 25% of the          Saturday, Sunday, or legal holiday, the payment is due 
lesser of:                                             on the next regular business day.
•  100% of the corporation’s income tax for 2021
                                                       Underpayment of Estimated Tax 
•  90% of its income tax for 2022                      Interest is due on the difference between the amount 
Don’t include:                                         of estimated tax payment required to be made on 
                                                       each voucher and the amount of estimated tax 
•  Fuels tax due
                                                       payment actually made. Interest is computed from the 
•  Sales/use tax due                                   due date of the estimated payment until the required 
•  Fuels tax refunds                                   amount is paid or until the due date of the return. The 
• Tax from the recapture of qualified investment       interest rate for 2022 is 3%. The interest rate for 2023 
  exemption (QIE), or                                  is 5%.
•  The tax reimbursement incentive credit              Use Form 41ESR to determine the amount of any 
For corporations, the tax required to be reported is   underpayments of tax and interest due when you file 
defined as Idaho taxable income multiplied by the      your return.
appropriate tax rate, plus the permanent building 
                                                       Overpayment of Estimated Tax 
fund tax, plus tax from recapture of business 
                                                       If your estimated tax payments are more than the tax 
income tax credits, minus allowable income 
                                                       you owe, you’ll receive a refund after filing your return. 
tax credits. A corporation making estimated tax 
                                                       You may apply all or part of the excess to next year’s 
payments in a year following the revocation of 
                                                       estimated tax by designating the amount on Form 41, 
subchapter S status will use $20 as the tax amount 
                                                       Idaho Corporation Income Tax Return or Form 41S, 
required to be reported on the prior year’s return.
                                                       S Corporation Income Tax Return.
For S corporations, estimated tax payments are 
computed on the Idaho tax due to net recognized        Overpayments will be applied to any prior year 
built-in gains and excess net passive income.          tax debt before carryovers or refunds are allowed. 
Estimated tax payments aren’t required on the          You’ll be notified if your overpayment is applied to 
tax due on income you report for individual            an existing debt or is used to reduce your refund or 
shareholders.                                          carryover.

EIN00073   10-27-2022                                                                        Page 1 of 2



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                                                                                 Form 41ES — Instructions      (continued)

Annualized Income and Estimated Tax Payments                       S Corporations
If your estimated tax payments are based on                        S corporations are taxed on excess net passive 
annualized income for federal purposes, you can                    income and net recognized built-in gains. Use 6% 
use that same method for making Idaho estimated                    to compute the estimated tax on this income. If the 
tax payments. Calculate the estimated tax due for                  estimated tax on these items is less than $20 or the 
the installment period by multiplying the applicable               S corporation doesn’t report income from these items, 
percentage (22.5%, 45%, 67.5%, and 90% for the                     use $20 as the estimated tax.
1st, 2nd, 3rd, and 4th installments, respectively) by 
the full year’s tax on the annualized income for the               S Corporations, Partnerships, Trusts, and 
period and deducting any prior installments.                       Estates with Individual Shareholders, Partners, 
                                                                   and Beneficiaries
Short Tax Year                                                     If the income is reported and the tax paid for the 
If the short tax year ends before any remaining                    individual shareholders, partners, or beneficiaries, 
due dates, you must make a final estimated tax                     use 6% to compute the estimated tax. This is in 
payment by the 15th day of the last month of                       addition to the tax computed for the S corporation, 
the short tax year. You aren’t required to make                    partnership, trust, or estate. Add the $10 permanent 
an estimated tax payment if the short tax year is                  building fund tax for each individual not filing an Idaho 
less than four months or if you haven’t met the                    individual income tax return. Add the $10 permanent 
requirements to make an estimated tax payment                      building fund tax for each nonresident individual owner 
before the first day of the last month in the short tax            included in the affected business entity return.
year.
                                                                   Trusts and Estates
B. Business Extension of Time Payments                             Add the permanent building fund tax to the computed 
                                                                   tax unless all income is distributed to beneficiaries or if 
General Information
                                                                   the trust is a qualified funeral trust.
If you can’t file your Idaho return by the due date, 
you’ll be allowed an automatic six-month extension                 QIE Recapture Payment
of time to file without sending a written request. To              You also can use Form 41ES to make payments of 
qualify you must pay at least:                                     QIE recapture when you file your income tax return 
•  80% of the 2022 income tax liability, or                        after the due date. Check the QIE box at the bottom of 
•  100% of the total income tax reported on the                    the form, and return it with your check. Include a copy 
2021 income tax return                                             of Form 49ER.
If you’ll owe $50 or less, a payment isn’t required;               ABE Payment
however, interest will accrue.                                     You can use Form 41ES to make ABE payments. 
Paying less than the required amount will result                   Check the ABE box at the bottom of the form and 
in a penalty. We’ll charge a penalty if you pay the                return it with your check.
required amount but don’t pay the remainder of the 
tax due by the extended due date. Interest accrues 
on any balance of tax due on the return when 
it’s filed until it’s paid in full.

Corporations
Multiply 6% by the estimated taxable income. If the 
amount is less than $20, use $20 as the estimated 
tax. Add the $10 permanent building fund tax to 
the estimated income tax, and subtract the amount 
estimated for income tax credits.

                                                  Contact us:
                    In the Boise area: (208) 334-7660   Toll free: (800)|972-7660
                                   Hearing impaired (TDD) (800) 377-3529
                                             tax.idaho.gov/contact
EIN00073 10-27-2022                                                                                             Page 2 of 2






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