The mark consists of a shield and letters/words in a rectangular configuration, wherein the left portion is a shield with two equal crescent shaped indents at the top which meet at the middle of the top, entire shield outlined in a silver border. The shield is divided starting at the bottom and going approximately three quarters up the top in blue, with the outline of the State of New Jersey in silver in the blue portion. Above the blue portion is a white line which extends horizontally across the shield. Above the white line is a red portion with the word "INTERLOCK" in capital silver letters across the red portion. On the right of the shield are the words "Interlock Device" in black letters with initial capitals, and underneath the "Interlock Device" is a black horizontal bar with the words "OF NEW JERSEY" in all white capitals within the black horizontal bar.