No Trespassing Sign for District of Columbia

C.D.C. § 22–3302 says the presence of a person in any private dwelling, building, or other property that is otherwise vacant and boarded-up or otherwise secured in a manner that conveys that it is vacant and not to be entered, or displays a no trespassing sign, shall be prima facie evidence that any person found in such property has entered against the will of the person in legal possession of the property.