AS YOUR BUSINESS GROWS and you begin selling your products or services outside the state of Washington, you need to consider the tax implications. Other state and local governments are, of course, excited to have you selling to their residents and businesses. Each sale means the potential of added revenue to government coffers in the form of numerous taxes, including business taxes, such as income or franchise taxes; transaction taxes, such as sales and use taxes; and taxes associated with a mobile workforce, such as payroll taxes and personal income tax withholding. Read entire article.