President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE once snapped at then-national security adviser H.R. McMaster for taking notes during a meeting, according to The New York Times.

McMaster, who left his position in April 2018, regularly took notes during meetings, which eventually prompted Trump to snap and ask, “Why are you always writing in that book?” according to the Times.

Cliff Sims, a former Trump communications aide who is suing the president, told the paper that he and other White House staff often took notes during meetings with Trump to ensure they were all on the same page with him but also to ensure they could back up their side of events in many cases.

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“I do think there’s also a pervasive sense in this White House that at some point you’re going to have to set the record straight or give your perspective on events that took place, or actions you took — or didn’t take — as the case may be,” Sims told the Times.

Former White House adviser Omarosa Manigault Newman Omarosa Onee Manigault NewmanTrump hurls insults at Harris, Ocasio-Cortez and other women Pelosi makes fans as Democrat who gets under Trump's skin The Memo: Impeachment's scars cut deep with Trump, say those who know him MORE, who surreptitiously recorded Trump during her time in the White House and eventually wrote a tell-all book based in part on the recordings, also said documentation was necessary.

“The first time I worked in the White House, for the Clinton administration, we were reluctant to send as many emails or to document so many things,” she told the Times. “But in the Trump White House, it is a requirement that you document these things always to protect yourself.”

Other staff and officials who took notes, many of which were eventually obtained by special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE, included Stephen Miller, an adviser to Trump; Rob Porter, the former staff secretary; Reince Priebus Reinhold (Reince) Richard PriebusLeaked audio shows Trump touted low Black voter turnout in 2016: report Meadows joins White House facing reelection challenges Trump names Mark Meadows as new chief of staff MORE, the former chief of staff; and Adm. Michael S. Rogers, the former director of the National Security Agency.

The redacted version of Mueller’s report released Thursday includes a section in which Trump expressed suspicion over former White House counsel Don McGahn’s practice of taking notes, telling him, “Lawyers don’t take notes. I never had a lawyer who took notes.”

The White House did not immediately respond to a request for comment from The Hill.