The list of representatives-elect prepared by the clerk of the House at the start of the new Congress contains 435 names
In the first meeting of the new Senate, the chair lays all 35 certificates of election before the Senate
Kevin F. McCumber is the Clerk of the House of Representatives when the House is called to order at the beginning of the 120th Congress
There is a constitutional challenge to the authority of the Clerk of the House to make the roll of members-elect
At least one member is directed to stand aside and not take the oath with the rest of the House due to a challenge to their right to take the oath
A question of the right of a senator to their seat is referred to a committee
The House seats, without qualification or reservation, someone other than the person certified by the state as the representative for that seat
At least one senator is asked to step aside and not take the oath with the rest of the senators
During the first day of the new Senate, a resolution is introduced attempting to declare someone not entitled to a seat in the Senate
An injunction or order issued by a federal court preventing a state from certifying an election (or sending such a certification to Congress) is in place when the 120th Congress is gaveled into session