The 1922 committee has voted to not change no- confidence rules that could have led to a second no-confidence vote for Boris Johnson.
The committee of Tory backbenchers will instead hold an internal election on Monday to select its executive.
Mr Johnson survived a no-confidence vote on June 6 meaning under the current rules, he cannot be challenged again for 12 months.
Any rule changes will be discussed by the new committee.
The news comes after senior Cabinet members, Chancellor Rishi Sunak and Health Secretary Sajid Javid resigned from their roles, sparking a mass exodus of MPs and Ministers.
You can see the full list of MPs that have resigned under Boris Johnson in our explainer.
There have been numerous public calls for Mr Johnson to resign including senior members of his own party like Michael Gove as well as opposition leaders like Sir Keir Starmer and Nicola Sturgeon.
When is the 1922 committee election?
Elections for the Tory backbench 1922 Committee Executive take place on Monday, Tory MP Alec Shelbrooke has said.
Following a meeting of the full committee at Westminster, Mr Shelbrooke said they had been told nominations will open on Wednesday and close at midday on Monday.
Voting will take place on Monday afternoon with the result announced in the evening.
Will there be a no-confidence vote?
The 1922 committee has voted to not change the rules that would allow for a second no-confidence vote.
However, the new executive on Monday may choose to resume discussions over the rules when they are elected.
For a new no-confidence of vote to happen, there needs to be enough MPs to re-submit their no-confidence votes.
Does a vote of no confidence trigger a general election?
If the new 1922 committee choose to change the rules and enough MPs re-submit their no-confidence votes, a new leadership challenge could happen in a matter of days.
If a vote of confidence is defeated, or a vote of no confidence is passed, two things need to happen.
The incumbent government must resign, or call a general election.
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