Steve Bannon and Michael Flynn, two allies of former U.S. President Donald Trump, must answer questions under oath in voting technology company Smartmatic’s defamation lawsuit against right-wing media outlet Newsmax, court records showed on Wednesday.

Florida-based Smartmatic served subpoenas on Bannon, who served as a White House strategist under Trump, and Flynn, who briefly served as national security adviser, on Wednesday, according to documents filed in Delaware state court.