The Vitter amendment, subject to a 60-vote threshold, would end the appointment of so-called presidential "czars," which haven't been subject to Senate approval. It would also prohibit funds for salaries and expenses for appointed czars.
The DeMint amendment, subject to a 60-vote threshold, would repeal the government's authority to provide loans to the International Monetary Fund and rescind related appropriated amounts.
The Coburn amendment, subject to a two-thirds majority threshold, would require the Congressional Research Service to report whether a bill creates a federal program that overlaps an existing one in its mission or activities.
Debate will end around 3 p.m., with Sens. Charles Schumer (D-N.Y.) and Lamar Alexander (R-Tenn.), the chairman and ranking member of the Rules committee, making remarks at around 2:40 p.m.
As of 1 p.m. Wednesday, no vote had been scheduled.
This post was updated at 1:02 p.m and 3:49 p.m.