The Warriors have been given permission to play this weekend after proving they can host games.
After showing the RFU they had obtained a general safety certificate, the game can go ahead.
The club was able to play the match on Friday.
The tie between Quins Women and Worcester will be staged as scheduled.
In a post on social media, Warriors director of rugby Steve Diamond said attendance at the men's game would be limited to "around 5,000" at the 11,500 capacity stadium.
There had been a lot of hard work behind the scenes.
The RFU had threatened to suspend the Warriors from all competition if they didn't issue the relevant certificate, so they delayed the announcement of their team for Sunday.
The RFU acknowledges that this has been a difficult and uncertain time for those at Worcester as well as their opponents this weekend.
There are no questions about the club's future.
After the announcement, staff at Worcester released a statement saying they were still angry at the broken promises and lack of communication from those above.
We hope for new ownership to take a break from the current position.
Recent events have added more stress to an already frustrating and uncertain situation for us all.
The Warriors' owners said on Tuesday that they had agreed the terms of the sale of the club, which was served with a winding up petition in August over an outstanding tax bill.
The club is in danger of entering administration due to the incomplete sale of the club.
The governing body is still working with the club.
The RFU said in a statement that they would continue to work with the owners of the Warriors.
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