Washington Payment Method Authorization (WPA) is a payment method used in the state of Washington to authorize payment of taxes, fees, and other charges. WPA allows individuals and businesses to pay state and local taxes and fees online, by phone, or in person without providing a credit card or bank account information. WPA also allows users to set up recurring payments and to view and manage their accounts. WPA can be used to make payments for state and local taxes, fees, and other charges, such as motor vehicle registration, licensing, county and city taxes, and more. There are three types of Washington Payment Method Authorization: 1. Pay By Phone: This is a convenient way to make payments over the phone with a credit card or debit card. 2. Pay Online: This allows users to pay their taxes, fees, and other charges online. 3. Pay In Person: This allows individuals and businesses to make payments in person at any authorized payment center.