Vice President Pence recorded a robocall that went out Tuesday in support of Republican candidate Greg Gianforte ahead of the Montana special House election this week.

“Hello, this is Vice President Mike Pence Michael (Mike) Richard PenceControversial CDC guidelines were written by HHS officials, not scientists: report Former DeVos chief of staff joins anti-Trump group Scott Walker helping to prep Pence for debate against Harris: report MORE calling to say there is an important special election being waged right now for Montana’s open congressional seat," Pence says at the start of the call. "Greg Gianforte is running to be your next congressman, and President Trump and I need Greg working with us in Washington to cut your taxes, secure our borders and protect your Second Amendment rights."

The call comes two days before election day.

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Gianforte is facing off against his Democratic opponent, Rob Quist, as well as Libertarian Mark Wicks, who are vying for the seat Ryan Zinke previously held before he was tapped to served as head of the Interior Department.

While automatic robocalls are illegal in Montana, the Republican National Committee told The Hill that it used a live caller to specifically ask for permission to play Pence's call in order to comply with state law. That method is far more expensive than typical robocalling since it relies on paying real people instead of full automation.

"Don’t let [House Minority Leader] Nancy Pelosi [D-Calif.] and the liberal Democrats take this seat out of Republican hands,” the vice president said in his call.

“The stakes are high, and your vote will matter this Thursday. Remember to get to the polls this Thursday, May 25, and cast your vote for Republican Greg Gianforte for Congress,” Pence said, adding that Gianforte would help "make America great again."

Pence attended a rally with Gianforte earlier in the month, along with Sen. Steve Daines (R-Mont.) and Zinke.

Trump carried Montana by over 21 points in the presidential election.

Updated: Wednesday, 10:16 a.m.

Ben Kamisar contributed to this report.