The District of Columbia sales and use tax has been made applicable to sales of armored car, private investigation and security services at the general rate of six percent, effective October 1, 2011.

The DC tax is patterned after the sales and use tax imposed on these services in the State of Maryland since 1992.  Affected DC providers of these services who have been collecting the Maryland tax can apply Marylands existing rules and guidance to determine transactions taxable in the District on and after October 1, 2011.