“Washington State will refund unleaded fuel tax only. Print off and complete the application form, and return by fax to 360-570-7843 or by mail to the address listed on the form. Upon receipt of your application, the Fuel Tax Exempt Unit will set up a refund permit account and send you a “Claim for Refunds of Fuel Tax” form. Return this completed form with your fuel invoices up to 13 months old, as determined by the postmark. A refund check will be sent to you, along with a new claim form for future use. If you have questions, please call the Fuel Tax Exempt Unit at 360-664-1838.

Application for Fuel Tax Refund Permit Account