H. RES. 3 resolves that a committee of two House members will be appointed by the Speaker of the House. This committee will join a similar group from the Senate to inform the President that Congress has gathered a quorum and is prepared to receive any messages he might have.
Simple Explanation
This bill says that two people from the House, chosen by its leader, will join two people from the Senate to tell the President that Congress is ready and waiting to hear from him.