The National Hockey League Players Association has requested additional information from the NHL regarding the leagues intent to enforce a policy that will keep Detroit's Pavel Datsyuk and Nicklas Lidstrom out of Tuesday's game against Columbus.
It's possible the Players Association could file a grievance; however the impartial arbitrator wouldn't be able to hear the case before Tuesday.
Traditionally, grievances usually take several weeks to complete.
Neither player will lose any salary, so it's unclear how, or if the NHLPA will be able to act.
At the NHL's general managers' meetings in February, Commissioner Gary Bettman said the league would enforce a policy where a player would miss his game prior to the All-Star break or the first game after it if they skipped this weekend's event.
On Friday, NHL vice-president Colin Campbell said that the league pushed for the rule because too many players were skipping the game without good reason.
''We've all got obligations to the fans, the rights holders - this game is being televised around the world,'' Campbell said.
The NHL's policy does not apply to players in Saturday's YoungStars game.