The U.S. Supreme Court expects “business as usual” despite dispatching Chief Justice John Roberts Jr. to the U.S. Senate as the presiding officer over the impeachment trial of President Donald Trump.

Roberts will wear his black judicial robe—the same one he wears for oral arguments—when he travels across the street at 2 p.m. Thursday to take the oath promising to do impartial justice, a court spokesperson said Thursday. Roberts could make a brief statement similar to that made by Chief Justice William Rehnquist in the 1999 impeachment of President Bill Clinton, and then administer the oath to the senators.