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Arizona State Tax Forms & Schedules for 2026

The tax forms on this page can be essential for your Arizona state tax return. Each form automatically calculates the relevant deductions and tax amounts based on the 2026 Arizona State tax tables.

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Arizona Tax Forms

The tax forms below are for Arizona State tax return calculations. Each form will automatically calculate the relevant tax deductions and amount based on the 2026 Arizona State tax tables

Explore the most commonly used Arizona (AZ) Department of Revenue income tax forms, including core returns such as Form 140 (Resident Return), Form 140NR (Nonresident Return), Form 140PY (Part-Year Resident Return), and simplified options like Form 140A and Form 140EZ. Supporting schedules—such as Schedule A for deductions and the full range of Arizona credit forms—are also available to help taxpayers calculate exemptions, credits, and adjustments accurately.

Tip: Use the Arizona Tax Calculator to fine-tune your refundable and non-refundable tax credits. Complete, calculate, print, and save your tax calculation for later use.

Frequently Asked Questions

Quick answers for Arizona filers: learn about flat income tax rates, popular deductions, credits, and filing forms.

How does the Arizona tax rate apply on Form 140EZ?

Form 140EZ uses the same statewide flat tax rate that applies to all Arizona resident income tax returns. The rate is applied to taxable income after subtracting the standard deduction. Because the EZ form does not allow deductions, adjustments, or specialized exemptions, the calculation is straightforward and consistent across all taxpayers who qualify. While simplified, taxpayers may still benefit from comparing outcomes with Form 140A or Form 140 if their income or credit situations are more nuanced.

How are medical deductions handled for part-year residents on Schedule A(PY)?

Medical deductions follow the federal rule requiring expenses to exceed 7.5% of federal AGI before any amount becomes deductible. Because AGI is based on the full tax year—even for part-year residents—this threshold affects how much of the medical deduction flows into Arizona’s calculation. Once the federal deduction amount is entered on the schedule, Arizona applies its own rules, makes any required adjustments, and only then prorates the remaining allowable deduction by the part-year ratio.

Can I claim Form 323 alongside other Arizona tax credits?

Yes. Arizona allows taxpayers to claim multiple credits in the same year—including QCO credits (Form 321), QFCO credits (Form 348), private school tuition credits (Form 322), and switcher credits. Each credit has independent limits. Many taxpayers stack these credits to maximize their tax benefit while supporting different educational and charitable institutions across the state.

Are employer unemployment or state payroll taxes shown?

No—those are employer liabilities; your take-home shows only employee withholdings.

How does Arizona define “household income” for purposes of Form 140ET?

Household income includes all income received by every household member—wages, pensions, Social Security benefits, interest, dividends and any other taxable or nontaxable amounts required under Arizona rules. Unlike the federal return, Arizona applies excise-credit eligibility based on combined income rather than just the filer’s income. This prevents taxpayers from receiving relief credits when household earnings exceed eligibility limits. Taxpayers must be careful to include all income amounts accurately, as Arizona may cross-check against reported federal data or other state-maintained records.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.