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Form last updated: 03/2024. Please verify this is the current version before use.
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What is a 140X used for?
Form 140X is used by Arizona taxpayers to amend their previously submitted state income tax returns. This form is necessary for correcting inaccuracies in income, deductions, or credits on state tax returns, which may affect tax liabilities.
Who needs to fill out a 140X form
Arizona residents who need to amend their state tax returns due to errors or changes.
How to fill out a 140X online?
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Frequently Asked Questions
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Form 140X is the Arizona Amended Individual Income Tax Return used to correct errors on previously filed state tax returns.
It should be filed within the time limits specified by the Arizona Department of Revenue for refunds or other amendments.
Mail it to the Arizona Department of Revenue at the address specified in the form instructions.
