Acting Office of Management and Budget (OMB) Director Russ Vought said Monday that he and OMB's associate director for national security programs will not cooperate with the House’s impeachment inquiry.

“I saw some Fake News over the weekend to correct," Vought tweeted.

"As the WH letter made clear two weeks ago, OMB officials - myself and Mike Duffey - will not be complying with deposition requests this week. #shamprocess” he added.

I saw some Fake News over the weekend to correct. As the WH letter made clear two weeks ago, OMB officials - myself and Mike Duffey - will not be complying with deposition requests this week. #shamprocess — Russ Vought (@RussVought45) October 21, 2019

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It was unclear what reporting he was disputing.

The three House committees leading the impeachment inquiry are seeking testimony from both Vought and Duffey regarding the rationale for withholding nearly $400 million in military aid to Ukraine. Vought would be one of the most senior White House officials to testify in the inquiry. The House has also subpoenaed Defense Secretary Mark Esper Mark EsperOvernight Defense: Stopgap spending measure awaits Senate vote | Trump nominates former Nunes aide for intelligence community watchdog | Trump extends ban on racial discrimination training to contractors, military Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers Official: Pentagon has started 'prudent planning' for full Afghanistan withdrawal by May MORE, who has not committed to testifying but said the Pentagon will "do everything we can to comply."

Acting White House chief of staff Mick Mulvaney Mick MulvaneyOn The Money: House panel pulls Powell into partisan battles | New York considers hiking taxes on the rich | Treasury: Trump's payroll tax deferral won't hurt Social Security Blockchain trade group names Mick Mulvaney to board Mick Mulvaney to start hedge fund MORE made headlines last week when he said in a press conference that the aid was paused to pressure Ukraine to investigate the 2016 U.S. presidential election.

The White House announced in early October that it would refuse to cooperate with the impeachment inquiry, calling it an “illegitimate process” and accusing House Democrats of "seeking to overturn the results of the 2016 election.”