Construction companies with municipal contracts in the District of Columbia are not abiding by D.C.’s rules requiring that a majority of their workforces be comprised of D.C. residents, a report by a labor rights group contends.

At his weekly press conference earlier today, Mayor Vince Gray signed into law a bill that strengthen’s the city’s “First Source” law requiring government-assisted projects to fill at least 51 percent of any jobs created with District residents.