How can I amend my Arizona state tax return?

Asked 4 months ago
To amend an Arizona state tax return, one needs to complete the Arizona Amended Individual Income Tax Return, Form 140-X. This form is specifically designed for individuals who need to make corrections to their previously filed Arizona tax return. When amending, it is important to provide accurate details that reflect the changes, including any adjustments in income, deductions, or credits. The amended return should be submitted to the Arizona Department of Revenue, and it is advisable to include a copy of the original return along with the amendment to facilitate processing. Additionally, if the amendment results in an additional tax owed, it is recommended to pay that amount as promptly as possible to avoid penalties and interest. Keep in mind that the timeframe for filing an amended return is generally three years from the original due date, so it is important to adhere to this timeline. For further guidance and to ensure that you have the most current information, it may be useful to visit the official Arizona Department of Revenue website.
Adam Goldkamp is the editor / author responsible for this content.
Answered Aug 5, 2025

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