Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (R-Ariz.) is predicting that the Senate will take up a fix for a key Obama-era immigration program next month, punting the issue into 2018.

"Bipartisan #DACA bill will be on the Senate floor in January," Flake tweeted, referring to the Deferred Action for Childhood Arrivals (DACA) program.

Bipartisan #DACA bill will be on the Senate floor in January. — Jeff Flake (@JeffFlake) December 20, 2017

Flake is part of a bipartisan group of senators who have been negotiating over legislation that would tie a fix for DACA to a border security package, but have yet to lock down an agreement.

A spokesperson for Flake didn't immediately respond to a request for comment about if, or when, the GOP senator would unveil legislation, given his prediction of floor action in January.

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A spokesman for Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) said he didn't have any scheduling announcements yet for January.

The Trump administration announced earlier this year that it would end DACA, which allows immigrants brought into the country as children to work and go to school without fear of deportation.

The move sets up a mid-March deadline to pass a legislative fix or hundreds of thousands of immigrants in the U.S. illegally will be at risk of being deported.

Immigration activists and some Democratic lawmakers have demanded that a DACA agreement pass Congress this year as part of a year-end government funding bill — something GOP leadership has been adamant will not happen.

Key senators, who met with White House chief of staff John Kelly John Francis KellyMORE on Tuesday, acknowledged that the immigration fight is likely to get kicked to January.

Sen. John Cornyn John CornynThe 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 Senate GOP faces pivotal moment on pick for Supreme Court MORE (R-Texas), asked about the schedule for DACA, told reporters earlier Tuesday that Congress will "turn to it in January."

"We're having meetings, ongoing meetings. ... Several of us are going to be meeting with Gen. Kelly and Customs and Border Protection tonight to talk about what the president will be looking for when he signs a bill," he said.

Sen. Dick Durbin Richard (Dick) Joseph DurbinFeinstein 'surprised and taken aback' by suggestion she's not up for Supreme Court fight Grand jury charges no officers in Breonna Taylor death Democrats shoot down talk of expanding Supreme Court MORE (D-Ill.) has pledged to oppose the government funding bill without a DACA fix, but signaled that it appeared unlikely to pass this year.

"Oh it is very, very difficult to imagine that it's done this year," Durbin said.