Rule IX of the Standing Rules of the United States Senate, established by the Senate Committee on Rules and Administration, governs messages from the President or House of Representatives to the Senate.
Contents
Incoming messages
Paragraph 1 states messages from the President or from the House of Representatives may be received at any stage of proceedings. The exception is while the Senate is (1) voting or determining the presence of a quorum, (2) while the Senate Journal is being read, (3) while a question of order or a motion to adjourn is pending.
Outgoing messages
Paragraph 2 states messages to the House of Representatives shall be sent by the Secretary of the United States Senate. The Secretary shall previously certify the determination of the Senate upon all bill, Joint resolutions, and other resolutions which may be communicated to the House, or in which its concurrence may be requested. The Secretary shall also certify and deliver to the President of the United States all resolutions and other communications which may be directed to him or her by the Senate.