A group of Senate conservatives is pushing forward with President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's plan to claw back more than $15 billion in spending despite concerns from several of their Republican colleagues.

Ten GOP senators announced Friday that they had introduced the rescissions package, saying they were rolling out the legislation to help ensure it reaches the Senate floor within the 45-day window to avoid a Democratic filibuster.

GOP Sens. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (Utah), Ron Johnson Ronald (Ron) Harold Johnson CIA found Putin 'probably directing' campaign against Biden: report This week: Supreme Court fight over Ginsburg's seat upends Congress's agenda GOP set to release controversial Biden report MORE (Wis.), Pat Toomey Patrick (Pat) Joseph ToomeyAppeals court rules NSA's bulk phone data collection illegal Dunford withdraws from consideration to chair coronavirus oversight panel GOP senators push for quick, partial reopening of economy MORE (Pa.), Joni Ernst Joni Kay ErnstThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight Romney backs pre-election Supreme Court vote, paving way for McConnell, Trump MORE (Iowa), David Perdue (Ga.), John Kennedy John Neely KennedyMORE (La.), Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (Ky.), Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (Ariz.) and Ben Sasse Benjamin (Ben) Eric SasseGovernment watchdog recommends creation of White House cyber director position Chamber of Commerce endorses McSally for reelection Ben Sasse is mistaken with idea for the election of senators in America MORE (Neb.) all introduced the legislation.

Sen. Ted Cruz Rafael (Ted) Edward CruzTrump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Texas) is also supporting the bill, according to his office.

“Yes, a $15 billion spending reduction is a drop in the bucket compared to a $15 trillion debt,” Lee said in a statement. “But we have to start cutting spending somewhere.

ADVERTISEMENT

Kennedy added that "Washington has long been spending tax dollars like a bunch of drunken sailors."

Notably absent from the bill's list of co-sponsors are members of Senate leadership or Sen. Richard Shelby Richard Craig ShelbySenate GOP eyes early exit Dems discussing government funding bill into February GOP short of votes on Trump's controversial Fed pick MORE (R-Ala.), the chairman of the Senate Appropriations Committee.

Conservatives seized on the dynamic Friday afternoon, with FreedomWorks President Adam Brandon saying the absence of GOP leaders "speaks volumes."

"Clearly, Senate rank and file are the ones concerned with reckless spending. If Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Senate GOP aims to confirm Trump court pick by Oct. 29: report Trump argues full Supreme Court needed to settle potential election disputes MORE [R-Ky.] is not going to take up the White House’s proposal to impound unobligated funds, it is good to that know we have Sens. Lee, Paul, and others to stick up for American taxpayers," he added in a statement.

The Trump administration submitted a request to Congress on May 8 to claw back $15.4 billion in spending from previously approved funds. Lawmakers have 45 days to approve the measure if they want to avoid the 60-vote Senate filibuster.

Senate GOP leadership has kept the door open to considering the legislation if it can pass the House.

“My understanding of the rescission package is that it does not breach the bipartisan agreement we reached in the caps deal. If the House is able to pass the rescissions package, we'll take a look at it,” McConnell told reporters recently.

But Republicans could struggle to get 50 votes for the legislation without help from Democrats, who have balked because the package targets funding for the Children's Health Insurance Program as well as funds designated for the 2015 Ebola outbreak.

Several GOP senators, including Shelby, Susan Collins Susan Margaret CollinsSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (Maine), Lisa Murkowski Lisa Ann MurkowskiSenate GOP aims to confirm Trump court pick by Oct. 29: report Senate GOP sees early Supreme Court vote as political booster shot Pence defends Trump's 'obligation' to nominate new Supreme Court justice MORE (Alaska) and Shelley Moore Capito Shelley Wellons Moore CapitoCongress must finish work on popular conservation bill before time runs out Second GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure MORE (W.Va.), have voiced concerns about parts of the bill.

Shelby suggested earlier this month that the package “could take funds away from a lot of us in the South, on transportation. And that’s not going to be a very popular thing.”

Murkowski said late last week that she had talked with White House budget chief Mick Mulvaney Mick MulvaneyMick Mulvaney to start hedge fund Fauci says positive White House task force reports don't always match what he hears on the ground Bottom line MORE. Trump's budget director was open to making changes to address some of her concerns, she said.

"[But] a lot of it has to do just with the fact that we have directed that spending and rescissions effectively take that away from us as the Congress,” Murkowski said.