There will be no international rugby in July after Tests involving South Africa, New Zealand and England were among those postponed.
European Professional Club Rugby will make "every effort" to finish this season while also planning for the future.
The Premier League was brought to a halt by the coronavirus pandemic in March but could be set to resume in June.
Mark Keohane, in his post 1992 Springboks and World XV #DreamTeam, selects the respective South African and international No 3s who made the biggest impression on...
Back-to-back Premiership winners Saracens breached salary-cap rules in each of the last three seasons, but retained their titles.
Professional sport in the UK moved a step closer to returning on Wednesday as the government approved phase one of a return to training.
An easing of lockdown measures means rugby players could return to training, but the RFU says further work is needed before that can happen.
The Highlanders confirmed the signing of former All Blacks wing Nehe Milner-Skudder.
With bigger post protectors for safety reasons, a try will no longer be scored by touching the ball against an upright.
Jordi Murphy and Will Addison have signed contract extensions with Pro14 side Ulster.