There was no date specified over a potential Super League return following a meeting between clubs and RFL officials.
Former Wigan Warrior Kevin Brown added to Niall Evalds' stunning double as Salford Red Devils rallied impressively at home.
Catalans Dragons are up to sixth in the Super League table after fending off a Salford Red Devils fightback to win 30-14.
Israel Folau made his Super League bow in England on Sunday, helping Catalans Dragons record a dramatic win at Hull FC.
Salford Red Devils raced into a lead against Leeds Rhinos but could not protect their advantage on Saturday.
Huddersfield Giants and Leeds Rhinos recorded vastly contrasting victories in Friday's two Super League fixtures.
Toronto Wolfpack came close to a first Super League win only for two late tries to give Salford Red Devils the victory.
Defending Super League champions St Helens got off to a superb start under new coach Kristian Woolf with a 48-8 win over Salford Red Devils.
Super League's reigning Man of Steel Jackson Hastings will be part of a 24-man touring party for Great Britain.
St Helens won a first Grand Final since 2014 and triumphant captain James Roby says this is the best team he has played in.