This doesn't answer your question, but CA residents who work in AZ should file an AZ Form WEC (Withholding Exemption Certificate) with their Arizona employer, so as to prevent AZ taxes from being withheld from their pay. The form can be downloaded here:
https://azdor.gov/forms/withholding-forms/withholding-exemption-certificate
CA residents should complete Part 3 of the form.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
