Washington recently deployed an Android version of their well-received iPhone rate lookup app. The app allows businesses to look up sales and use tax rates for any location in Washington. A GPS or address can be used to produce the rate, location code, and confirmation code. Washington law requires sales tax to be assessed to the destination of a shipped or delivered product, or where services are performed.
For more information please visit: http://dor.wa.gov/Content/AboutUs/newsroom/2013/013113.aspx