Special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE is asking for 150 blank subpoenas in the case surrounding former Trump campaign chairman Paul ManafortPaul John ManafortFederal judge considers setting ex-Obama counsel's trial for August: reports Juan Williams: The high price of working for Trump Ex-Obama counsel pleads not guilty to charges tied to Ukraine lobbying MORE

The request would cover 75 potential subpoenas for witnesses, according to the Washington Examiner, which added that recipients must appear on July 25 to testify.

The request for the subpoenas was filed Tuesday in Virginia, where Manafort resides. 

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The special counsel also filed a request for 70 blank subpoenas in May.

Manafort is facing charges including failing to register as a foreign agent as part of the special counsel's investigation into Russia's election meddling and possible collusion between President TrumpDonald John TrumpHouse Dems demand Barr cancel 'inappropriate' press conference on Mueller report DOJ plans to release 'lightly redacted' version of Mueller report Thursday: WaPo Nadler accuses Barr of 'unprecedented steps' to 'spin' Mueller report MORE's campaign and Moscow.

He is also facing tax fraud charges and is accused of not reporting foreign bank accounts.  

Mueller, earlier this month, accused Manafort of attempting to tamper with witnesses while on pretrial release. 

Manafort will appear in court Friday, when Mueller's team will argue that he be sent back to jail in light of the allegations of witness tampering.