Bill and Hillary ClintonHillary Diane Rodham ClintonTrump touts economic agenda in battleground Ohio The Memo: Campaigns gird for rush of early voting Trump's pitch to Maine lobstermen falls flat MORE are facing deposition notices to answer questions later this month in a lawsuit over their use of a private email server, according to court documents filed by the conservative group Freedom Watch.

Hillary Clinton, a 2016 Democratic presidential candidate, may be asked to give her deposition on July 28 in Washington, D.C., and former President Bill ClintonWilliam (Bill) Jefferson ClintonGiuliani says Black Lives Matter is 'domestic terrorist' group We have the resources to get through this crisis, only stupidity is holding us back Biden needs to bring religious Americans into the Democratic fold MORE the following day, according to the documents.

The civil suit, filed in March in the U.S. District Court for the Southern District of Florida, alleges that Hillary Clinton failed to produce documents under the Freedom of Information Act regarding State Department waivers for those doing business with Iran, potentially undermining U.S. sanctions.

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The racketeering lawsuit, which lists Bill and Hillary Clinton and the Clinton Foundation as defendants, alleges that the former secretary of State used a private email server at their home in New York to sell access to other officials in exchange for donations to the Clinton Foundation.

Larry Klayman, the founder of Freedom Watch who launched a number of lawsuits against former President Bill Clinton’s administration, said in a statement that the Clintons have been "refusing to be candid with the American people."

"If they lie there will be consequences," Klayman said.

Scrutiny over Hillary Clinton's use of private email during her four-year tenure as secretary of State, which ended in 2013, has become a centerpiece of Republicans' attacks since she announced her campaign in April.

This story was corrected at 2:10 p.m. to reflect that the deposition notices are pending.

Notice of Deposition: Hillary Clinton

Notice of Deposition: Bill Clinton