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Louisiana Form IT-540 (2025)

Your 2025 federal return, carried into Louisiana as a full-year resident. Every figure is computed in your browser from the return you have already entered, and anything this engine cannot yet figure says so at the line rather than printing a number that would be wrong.

Tax year 2025la-2025.1provisional figures

This is a hypothetical Louisiana return, so the official layout is not offered for it. A page that looked exactly like the printed form would be mistaken for one.

Federal — Form 1040

Total income0
Adjusted gross income0
Taxable income—
Total tax—

Louisiana — Form IT-540

State income—
Taxable income—
Total tax—
Refund or amount owednot computed — not your resident state
Form IT-540 — Louisiana Resident Income Tax Return
A working replica. Not a Louisiana Department of Revenue form and not for filing.
Louisiana Department of Revenue
Tax year 2025
Federal starting figure
Federal starting figure: blank
Additions
Additions: blank
Subtractions
Subtractions: blank
State income
State income: blank
Deduction
Deduction: blank
Exemptions
Exemptions: blank
Taxable income
Taxable income: blank
Tax before credits
Tax before credits: blank
Nonrefundable credits
Nonrefundable credits: blank
Total tax
Total tax: blank
Payments, refund and amount owed
not figured
This engine does not yet figure Louisiana’s withholding, estimated payments or settlement. Form IT-540 has those lines; they are missing from this page, not from the form.
Worksheets and schedules behind these figures
Exempt income
Exempt income: blank
Muni interest addition
Muni interest addition: blank
Retirement exemption
Retirement exemption: blank
Social security exemption
Social security exemption: blank
Louisiana Department of Revenue · Form IT-540 (2025)NOT AN OFFICIAL LOUISIANA FORM IT-540HYPOTHETICAL RETURN — FILER DOES NOT LIVE IN LOUISIANA

What this Louisiana return is missing

  • Excess federal itemized deductions for medical and dental expenses (line 9D)too high
    La. R.S. 47:293(3) · federal medical and dental expenses above the federal standard deduction, at 3%; nil unless those expenses alone exceed $15,750
  • Interest and dividends on U.S. government obligations (code 01E)too high
    La. R.S. 47:293(9)(a)(i) · the Treasury share of taxable interest and dividends, at 3%
  • Louisiana-source municipal interest excluded from the line 2A addbacktoo high
    La. R.S. 47:293(9)(a) · the Louisiana-issuer share of tax-exempt interest, at 3%
  • Louisiana state employees', teachers', federal and other exempt retirement (codes 02E–05E)too high
    La. R.S. 11:405, 11:704, 47:44.2 · the qualifying benefit above the $12,000 code 06E cap, at 3%; nil for a filer whose pension is not from one of these systems
  • Military pay exclusion and the Native American income exclusion (codes 08E, 10E)too high
    La. R.S. 47:293(9)(a)(x); LAC 61:I.1303 · 100% of qualifying military or reservation-source income
  • START and START K12 savings contributions (codes 09E, 28E)too high
    La. R.S. 17:3095 · up to $2,400 a beneficiary ($4,800 joint)
  • The elementary, secondary and home-school education deductions (codes 17E–19E)too high
    La. R.S. 47:297.10–297.12 · up to $6,000 a dependant for tuition; up to $5,000 for home schooling
  • Capital gain from the sale of a Louisiana business (code 20E)too high
    La. R.S. 47:293(9)(a)(xvii) · 100% of the qualifying gain; nil inside the simple-return envelope
  • The Louisiana earned income credit and the refundable child care credittoo high
    La. R.S. 47:297.8, 47:297.4 · 5% of the federal EIC; the child care credit at federal AGI of $25,000 or less
  • Schedule C nonrefundable priority 1 credits and Schedule F refundable creditstoo high
    La. R.S. 47:297 et seq. · the fortified roof, school readiness and other credits
  • The code 06E prose, which reads as a both-spouses-65 gatedirection unknown
    La. R.S. 47:44.1(A) · up to $360 on a joint return where only one spouse is 65 or older; nil otherwise, and nil under the worksheet as printed
  • Recapture of START contributions and the pass-through add-backs (lines 2B–2E)too low
    La. R.S. 47:293(9)(a); 47:297.25 · the recaptured or added-back amount; nil for a filer with none

What this Louisiana return is not telling you

  • blankla540.base_start could not be figured.
  • blankla540.muni_interest_addition could not be figured.
  • blankla540.additions could not be figured.
  • blankla540.social_security_exemption could not be figured.
  • blankla540.retirement_exemption could not be figured.
  • blankla540.exempt_income could not be figured.
  • blankla540.subtractions could not be figured.
  • blankla540.state_agi could not be figured.
  • blankla540.deduction could not be figured.
  • blankla540.exemptions could not be figured.
  • blankla540.taxable_income could not be figured.
  • blankla540.tax_before_credits could not be figured.
  • blankla540.nonrefundable_credits could not be figured.
  • blankla540.total_tax could not be figured.