This was hand-delivered to the Chief Justice this morning by the secretary of the Senate 
Chief Justice will be sworn in this afternoon by Senator Grassley and he will then swear in the senators for the impeachment trial
It will be business as usual at the Supreme Court during the trial, as the trial will take place in the afternoons
"The Chief Justice is aware of his responsibilities and is preparing appropriately," a court spokeswomen said.
Despite the fact that the Supreme Court is literally across the street from the U.S. Capitol, the chief justice will be transported by car
If Chief Justice for some reason needs to leave one of the court's morning oral arguments early, Justice Thomas (as the most senior associate justice) gets to wield the gavel
Chief justice will be assisted at trial by one of his law clerks, which is not an assignment most SCOTUS clerks expect when they apply for the position
One way Roberts is doing this differently to Rehnquist is that he will have the same clerk assisting him at trial throughout out. Rehnquist's clerks rotated through
