On May 31, Senator Mike Lee tweeted that he and 7 other Republican senators had signed a letter committing to:
1) not allow any increase to non-security related funding for the Biden administration, or any appropriations bill which funds partisan lawfare
2) not vote to confirm any Biden administration political or judicial appointees
3) not allow expedited consideration and passage of Democrat legislation or authorities that are not directly relevant to the safety of the American people

You can find the relevant tweet here: https://x.com/SenMikeLee/status/1796600766691672394

This market will resolve to "Yes" if any more senators sign on to the mentioned statement aside from the 8 initial signees by June 7, 2024, 11:59 PM ET. Otherwise, this market will resolve to "No".

The 8 initial signees relevant to this market are: Michael S. Lee, JD Vance, Tommy Tuberville, Eric Schmitt, Marsha Blackburn, Rick Scott, Roger Marshall, and Marco Rubio.

The primary resolution source for this market will be announcements made by relevant Republican senators, however a consensus of credible reporting will also be used.