WASHINGTON — Mark Meadows, the previous White Home chief of workers underneath President Donald J. Trump, has reached an settlement with the Home committee investigating the Jan. 6 assault on the Capitol to supply paperwork and sit for a deposition, the panel mentioned on Tuesday, a notable reversal for a vital witness within the inquiry.

The change of stance for Mr. Meadows, who had beforehand refused to cooperate with the committee in keeping with a directive from Mr. Trump, got here because the panel ready to hunt criminal contempt of Congress charges towards a second witness who has defied one among its subpoenas. It marked a turnabout after weeks of personal wrangling between the previous chief of workers and the Home committee over whether or not he would take part within the investigation and to what diploma.

Mr. Meadows, a former Republican congressman from North Carolina, is the highest-ranking White Home official to cooperate in any manner with the inquiry.

“Mr. Meadows has been participating with the choose committee by way of his legal professional,” Consultant Bennie Thompson, Democrat of Mississippi and chairman of the panel, mentioned in a press release. “He has produced information to the committee and can quickly seem for an preliminary deposition.”

Mr. Thompson indicated that he was withholding judgment about whether or not Mr. Meadows was prepared to cooperate sufficiently, including, “The committee will proceed to evaluate his diploma of compliance with our subpoena after the deposition.”

Mr. Meadows’s lawyer, George J. Terwilliger III, prompt that there have been strict limits to his consumer’s willingness to take part within the inquiry.

“As we’ve from the start, we proceed to work with the choose committee and its workers to see if we are able to attain an lodging that doesn’t require Mr. Meadows to waive government privilege or to forfeit the longstanding place that senior White Home aides can’t be compelled to testify earlier than Congress,” Mr. Terwilliger mentioned in a press release. “We recognize the choose committee’s openness to receiving voluntary responses on nonprivileged matters.”

The deposition is predicted to be non-public, as has been the panel’s apply with different witnesses.

Mr. Meadows’s testimony is seen as key to the committee’s investigation as a result of he was deeply concerned in Mr. Trump’s efforts to overturn the 2020 election and will present essential perception into what the president was doing and saying because the assault unfolded on Jan. 6. Mr. Meadows is believed to have spent appreciable time by Mr. Trump’s facet on the White Home as throngs of the president’s supporters stormed the Capitol. Mr. Meadows is alleged to have tried to enlist Ivanka Trump, Mr. Trump’s daughter, to motive together with her father in the course of the rampage.

Within the weeks earlier than the assault, Mr. Meadows repeatedly pushed the Justice Department to research unfounded conspiracy theories, in line with emails supplied to Congress, parts of which had been reviewed by The New York Instances. He contacted several state officials to encourage investigations into election fraud claims even after such allegations had been dismissed by the courts. And he attended a gathering in late December with far-right Republican members of Congress who led the trouble to problem the electoral depend on Jan. 6.

Mr. Meadows additionally was in communication with organizers of the rally close to the White Home that preceded the violence, the committee has mentioned.

Among the many panel’s questions for him are whether or not he was utilizing a non-public cellphone to speak on Jan. 6 and the situation of his textual content messages from that day.

CNN earlier reported that Mr. Meadows had reached a cope with the committee.

It was not instantly clear how in depth his cooperation could be or which paperwork he had turned over, although Mr. Thompson mentioned they contained “important e mail site visitors.” However investigators had a serious incentive to barter a deal to take a seat down with him, largely as a result of they view him as central to the general public’s understanding of how the occasions of Jan. 6 occurred.

“We’re seeing a recreation of chess in some ways between the committee and Meadows,” mentioned Jonathan D. Shaub, a regulation professor on the College of Kentucky who labored on the Justice Division’s Workplace of Authorized Counsel. “The committee very a lot desires to listen to from Meadows. He might know probably the most of any witness, so the committee is prepared to present just a little bit.”

Members of the panel additionally consider that Mr. Meadows’s participation might be a powerful sign to lower-ranking former White Home workers members that they, too, ought to cooperate.

Citing Mr. Trump’s declare of government privilege, Mr. Meadows’s lawyer, Mr. Terwilliger, wrote to the committee on Nov. 10 saying that his consumer couldn’t “in good conscience” present testimony out of an “appreciation for our constitutional system and the separation of powers.”

That stance was condemned by Mr. Thompson and the panel’s vice chairwoman, Consultant Liz Cheney, Republican of Wyoming. They accused Mr. Meadows of defying a lawful subpoena and mentioned that they’d think about pursuing contempt costs to implement it.

Mr. Thompson and Ms. Cheney referred to as Mr. Trump’s privilege claims “spurious” and added that most of the issues they wished to debate with Mr. Meadows had been “not even conceivably topic to any privilege declare, even when there have been one.”

On Wednesday, the committee is predicted to start contempt of Congress proceedings towards Jeffrey Clark, a former Justice Division official concerned in Mr. Trump’s effort to upend the election, when it holds a voting session to suggest that the total Home discover him in felony contempt.

The vote could be the second such confrontation between the committee and an ally of the previous president since Congress started investigating the circumstances surrounding the Capitol riot, which resulted in a number of deaths and dozens of accidents.

Mr. Trump didn’t instantly situation a public assertion about Mr. Meadows’s cope with the panel, however he attacked the committee on Tuesday for transferring towards Mr. Clark.

“Attention-grabbing to observe the unselect committee go after the gentleman on the Division of Justice who thought the election was rigged, however not go after the individuals who did the rigging,” Mr. Trump mentioned in a press release denouncing the panel.

The Home voted in October to suggest that one other of the previous president’s associates, Stephen Okay. Bannon, be charged with criminal contempt of Congress for refusing to cooperate with the inquiry. A federal grand jury subsequently indicted him on two counts that would carry as much as two years behind bars in whole.

Consultant Jamie Raskin, Democrat of Maryland and a member of the committee, mentioned the actions towards Mr. Bannon and Mr. Clark despatched a transparent message that the panel would strongly implement its subpoenas.

He mentioned there have been a variety of questions that the committee needed to ask Mr. Meadows that no witness might see as objectionable.

“There are various issues that we have to hear from witnesses asserting government privilege that aren’t even arguably associated to government privilege,” Mr. Raskin mentioned. “We wish to begin with these. I do suppose there’s a class of witnesses that doesn’t wish to be related to the Steve Bannon obstructionist posture.”

On Tuesday, the panel additionally heard 5 hours of closed-door testimony from Georgia’s secretary of state, Brad Raffensperger, a Republican who stood as much as Mr. Trump’s makes an attempt to overturn the election there.

“His household has suffered due to his truthfulness,” Mr. Thompson mentioned, including of Mr. Raffensperger’s testimony: “There are some issues that can come out. It was an extended session.”

Emily Cochrane contributed reporting.