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Oregon Tax Power of Attorney (Form 150-800-005)

An Oregon tax power of attorney (Form 150-800-005) is used to authorize an individual to act as a taxpayer’s representative before the Oregon Department of Revenue. Using this form, the representative can be granted the power to request confidential information and make decisions on behalf of a taxpayer. The chosen representative must be an immediate family member, attorney, certified public accountant (CPA), IRS agent (EA), full-time employee of the taxpayer, officer of the taxpayer’s corporation, authorized trustee, tax consultant, real estate broker, or licensed appraiser. Once completed, the power of attorney will need to be mailed to the below address for filing. The form can also be completed and filed through the Revenue Online website.

Oregon Department of Revenue
955 Center St NE
Salem OR 97301-2555

Signing requirements – Taxpayer(s)