The Washington, D.C. metropolitan area is a dynamic region made up of multiple jurisdictions, each with its own set of tax laws which small businesses must follow. Understanding the tax implications of conducting business across state and local boundaries is vital for all small businesses, but especially those operating in this unique part of the country. Adhering to the different tax filing requirements  in each jurisdiction can be challenging.  For owners of small businesses in DC, there are many state and local tax issues to consider.