Internal Revenue Service CDROMS    Order free CD-ROM disks for Small Businesses including: Tax Calendar, Electronic Marketing Card, Small Business Resource Guide, Introduction to Federal Taxes, Home-Based Business Tax Avoidance Schemes and Recoginzing Illegal Tax Avoidance Schemes.

Washington State Tax Business Tax Information  State Business Taxes, Unemployment Insurance Taxes,  Industrial Insurance Taxes,  L&I Quarterly Reports,  Tax Resources

Washington State Tax Requirements for Doing Business on the Internet  This link discusses how Internet businesses located in Washington are taxed.  Basically Internet-based businesses are taxed in the same manner as othefr businesses. Sales tax must be collected on all sales delivered to customers in Washington. Items delivered outside of Washington are exempt from Washington sales & B&O taxes, as an interstate sale. Income earned from providing services over the Internet is generally subject to service and other activities B&O tax if the service is performed in Washington. In such cases, the customer's location does not matter.  Open this link to view the Wasingtonb State Tax Topic for the details.