During the September 11 attacks , the department had offices on the 86th and 87th floors of the World Trade Center 's South Tower . On the 86th floor , five of eight employees in the revenue crimes bureau died . On the 87th floor , the mediation services bureau lost six of seven employees . Of the estimated 20 people on the 87th floor , nine were lost , including two of three senior staff
September 11 attacks
September 11 attacks
New York State Department of Taxation and Finance