Wasps have confirmed they will return for the 2023/24 season in the Championship - but Worcester's application has been rejected.
Cash-strapped Wasps were suspended from the Premiership after going into administration with all players and staff made redundant. It was later revealed the club was £100m in debt.
But following the club's recent takeover, Wasps have confirmed they have met RFU requirements and will start next season in the Championship.
Wasps confirmed they have reached an agreement for a groundshare with an unnamed Midlands venue to host home matches after playing at Coventry's Ricoh Arena since 2014.
Worcester meanwhile have had their application to return to professional rugby next season rejected by Twickenham bosses.
The decision to deny Worcester comes after their prospective buyers, the Atlas consortium, said they were not prepared to meet “unreasonable” conditions laid down by the Rugby Football Union.
The RFU is to work with the administrator to “enable” an alternative bid - which will interest former boss Steve Diamond who, with local businessman Adam Hewitt, claims to “have the plan and the funding”.
“Give us the opportunity,” Diamond added. “We will give you the rugby.”
Former Wasps stars Kenny Logan and Pete Scrivener are part of the new hierarchy that have saved one of rugby’s most famous clubs, while Andy Scott is the new CEO.
New owner Christopher Holland said it had been an “extremely challenging time” for everybody connected with the club and warned that there is still a “long road ahead of us”.
He said: "As the new custodian of Wasps, I am fully aware of the responsibilities I have to its supporters, history and heritage. I do not underestimate that duty.
"In addition to fulfilling the obligations to rugby creditors as set out in regulation five by the RFU, we continue our conversations with investors to improve the funding we have acquired to date.
“We are diligently creating a viable long-term business model for the Club, and we have had to meet rightfully stringent and modern business requirements for regulatory control and corporate governance. The RFU and PRL have been a supportive partner during the process."
