The RFU council has scrapped relegation from the Premiership this season.
After a vote passed on Friday with a "strong majority", the league will expand to 13 teams next term, with one side promoted from the Championship.
There will then be engagement with the league's broadcaster, BT Sport, along with clubs, sponsors, players and fans on what happens for future seasons.
Concerns had been raised by BT Sport that the jeopardy of relegation added to the excitement of the season.
But those worries are understood to have been allayed by the assurance that putting a hold on relegation would apply only to this season.
The Covid-19 crisis has brought severe financial challenges to the clubs, while a points-based system has been used for deciding five matches that have been cancelled this season because of coronavirus outbreaks, which some argue makes relegating a club unfair.
More to follow.