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  1. Click ‘Get Form’ to open the Arizona Form 450 in our editor.
  2. Begin by entering your name(s) as shown on the document in the first field. If applicable, include your spouse's name in line B.
  3. Input your SSN or ID number in the next section. Ensure accuracy, especially if you are requesting documents for a business.
  4. Specify the tax return period needed and select the appropriate tax type by checking only one box from Individual Income Tax, Corporate Income Tax, or others listed.
  5. Fill in your current address and, if different, the mailing address for where copies should be sent.
  6. Sign and date the form. If applicable, include your title to ensure processing.
  7. Select the type of copy you need (uncertified or certified) and include payment details as instructed.

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