Attorneys, personal representatives or fiduciary of a trust or estate can request a Certificate of Taxes from Arizona Department of Revenue. As of my knowledge cutoff in September 2021, Arizona does not impose an estate tax.This guide can give you a place to start your research when you have a case for probate regarding a deceased person's estate. This step requires the personal representative (executor) or successor trustee to collect assets, identify and pay creditor claims, and file final tax returns. The person in charge of the deceased estate is responsible for filing the tax return. Fill out the probate information cover sheet, informal checklist, the application, and attach the original will. Make enough copies for all interested persons. There is an estate tax in Arizona – a tax on you giving assets to people at your death. Right now, Arizona is tied to the federal laws regarding the estate tax. Where Do You Go to File Your Paperwork?