Updated October 18, 2026. Quick answer: Lines 18 to 22 of Form 1041 take the deductions that come after adjusted total income. Line 18 is the income distribution deduction from Schedule B, line 19 is the estate tax deduction, line 20 is the qualified business income deduction, line 21 is the exemption and line 22 adds lines 18 through 21.
IRS trust and estate tax forms, read line by line: Schedule J (Form 1041), Schedule J Part I lines 1 to 5 and Schedule J Part IV.
What lines 18 to 22 do
The form’s captions are “Income distribution deduction (from Schedule B, line 15).” for line 18, “Estate tax deduction including certain generationskipping taxes (attach computation)” for line 19, “Qualified business income deduction.” for line 20, “Exemption” for line 21 and “Add lines 18 through 21” for line 22.
These lines follow adjusted total income on the lines 15a to 17 page.
Line 18: income distribution deduction
The instructions say “complete Schedule B to determine the estate’s or trust’s income distribution deduction.” That calculation is on the Schedule B lines 1 to 8 and Schedule B lines 9 to 15 pages, and the concept is explained on the distribution deduction and DNI page.
If you claim it: “Schedule K-1 (Form 1041) for each beneficiary to which a distribution was made or required to be made.” must be attached. The Schedule K-1 page covers those forms. The last instruction for the line is “Don’t enter less than zero on line 18.”
Line 19: estate tax deduction
The instructions explain when it applies: “If the estate or trust includes IRD in its gross income, and such amount was included in the decedent’s gross estate for estate tax purposes” the estate or trust may take the deduction. On the paperwork: “Figure the deduction on a separate sheet. Attach the sheet to your return.”
They add a second item: “a deduction is allowed for the GST tax imposed as a result of a taxable termination or a direct skip occurring as a result of the death of the transferor.” “Enter the estate’s or trust’s share of these deductions on line 19.”
Line 20: qualified business income deduction
The instructions say “use Form 8995 or 8995-A, as applicable.” and “Attach whichever form you use (Form 8995 or 8995-A) to your return.”
Line 21: the exemption
The instructions list the exemption by type of filer. “A decedent’s estate is allowed a $600 exemption.” For a trust, “A trust whose governing instrument requires that all income be distributed currently is allowed a $300 exemption”. Another category reads “A qualified disability trust is allowed a $5,100 exemption.” and the catch-all is “A trust not described above is allowed a $100 exemption.”
Where the number comes from
Line 18 comes from Schedule B, line 15, built from the distributions the fiduciary made and the beneficiaries’ Schedules K-1. Line 19 comes from the separate computation sheet you attach. Line 20 comes from Form 8995 or 8995-A. Line 21 depends on the type of estate or trust, as the quoted rules show. Line 22 is the sum of lines 18 through 21.
Where it goes next
Line 22 is subtracted on line 23. The form says “Taxable income. Subtract line 22 from line 17.” The lines 23 to 30 page picks up there, and trust tax brackets shows how the resulting income is taxed at a general level.
Edition and line numbers
This page reads Form 1041 (2025) and the 2025 Instructions for Form 1041 and Schedules A, B, G, J, and K-1. Those are the current files irs.gov served on 2026-10-18, byte-identical to the archived copies. The form reads “For calendar year 2025 or fiscal year beginning” and the instructions carry the title “Instructions for Form 1041 (2025)”. Check the year printed on your own Form 1041 and use the line numbers on that year’s form.
Common mistakes
- Entering a negative amount on line 18. The instructions say “Don’t enter less than zero on line 18.”
- Taking the estate tax deduction without the computation. The instructions say “Figure the deduction on a separate sheet. Attach the sheet to your return.”
- Forgetting the Schedules K-1 when claiming line 18. The instructions require “Schedule K-1 (Form 1041) for each beneficiary to which a distribution was made or required to be made.”
Related: Form 1041, distribution deduction and DNI, Schedule K-1 for estates, trust tax brackets, and Form 706.
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Answer againSources
- Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025), U.S. Income Tax Return for Estates and Trusts: https://www.irs.gov/pub/irs-pdf/i1041.pdf
- Form 1041 (2025), U.S. Income Tax Return for Estates and Trusts: https://www.irs.gov/pub/irs-pdf/f1041.pdf
Read from the IRS documents linked above on October 18, 2026. General information, not tax advice. Your own facts decide the outcome, and a preparer, the account provider or the IRS is the right place to confirm anything consequential.