NHL, union reps discuss change to overtime format by Dan Rosen March 18, 2015 BOCA RATON, Fla. -- NHL general managers spent a portion of the last day of their meetings Wednesday outlining. Another option is to use the AHL model as a base but have a hard break in overtime to cut from 4-on-4 to 3-on-3 rather than wait for a whistle. The new language for Rule 83.1 reads: "A player is onside when either of his skates are in contact with the blue line, or on his own side of the line, at the instant the puck completely crosses the leading edge of the blue line.". The current rules are different from the old NHL overtime rules. nhlWid=Math.random()*10000000000000000; document.write('