Follow the steps to complete and submit the AZ DoR A-4 form online.

1. Click the 'Get Form' button to obtain the AZ DoR A-4 form and open it in the editor.
2. Begin filling out your full name. Ensure that it is typed clearly as this information is necessary for proper identification.
3. Enter your Social Security number. Make sure to double-check this information for accuracy to avoid any processing issues.
4. Provide your home address, including the street number and name or rural route, along with the city or town, state, and ZIP code.
5. Choose either box 1 or box 2 to indicate your withholding preference. In box 1, check the desired percentage from the given options (0.5% to 3.5%) to specify how much should be withheld from your gross taxable wages.
6. If you want an extra amount withheld from each paycheck, check the designated box and enter the specified amount.
7. Alternatively, if you elect zero withholding, mark box 2 and certify that you expect to have no Arizona tax liability for the current taxable year.
8. Print your name again to confirm your election.
9. Sign and date the form to validate your selections. This signature is crucial for the form’s legitimacy.
10. After completing the form, save your changes. You also have the option to download the form, print it, or share it with your employer for submission.

Complete your documents online to ensure accurate withholding and compliance with Arizona tax regulations.