Story highlights Virginia Rep. Scott Taylor organized the letter

Immigration complicates talks to fund the government beyond December 8

Washington (CNN) Dozens of House Republicans are preparing a letter to Speaker Paul Ryan urging a fix for young undocumented immigrants by the end of the year, adding pressure to high-stakes government funding discussions that could hinge on such a deal, according to several sources familiar with the matter.

The letter, organized by Virginia Rep. Scott Taylor and Washington Rep. Dan Newhouse, already has signatories numbering in the 20s, according to a source familiar with the letter, and could reach into the 30s by the time it is sent. Taylor's office did not immediately respond to a request for comment.

The letter originated with the Republican Main Street Caucus and will remain open for signatures with the hope of sending it by next week, according to the office of Illinois Rep. Rodney Davis, who chairs the nascent caucus.

Davis sought to make clear the letter was not meant as an ultimatum to Ryan.

"The letter Main Street members are working on is to show their strong support for solving the DACA issue and that we believe the House should address it now, rather than later," Davis said. "Unlike some of our Democrat counterparts, we are not using this issue to play political games or hold government funding hostage. We simply want a solution to help DACA recipients as soon as possible."

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