Rick Gates has communicated to House Democrats that he won’t be able to fulfill their request for documents due to instructions given to him by prosecutors, in a letter from his lawyer that also left open the possibility of him cooperating in the future, Politico reported Wednesday.

Gates’ lawyer Tom Green sent the House Judiciary Committee a letter indicating that after “input from the various prosecution offices,” Green had advised his client not “to provide testimony of documents to Congressional investigators,” according to Politico.

“Our position in this regard may well be different in the coming months,” Greene said in the letter, which also copied the Senate Intelligence and House Intelligence Committees.

Gates was just one of 81 recipients of document requests sent by the House Judiciary Committee earlier this month as part of a sprawling investigation into President Trump and the various scandals swirling around him.

After being charged by special counsel Robert Mueller’s probe in October 2017, Gates pleaded guilty about four months later and has been cooperating with investigators since.