XXVI. THE MACE AND THE OFFICIAL SEAL
Section 161. The Mace. The Mace shall be the symbol of authority of the House and shall be displayed at the Speaker's rostrum when the House is in session. It shall serve as the warrant of the Sergeant-at-Arms in enforcing order in the House.
Section 162. Official Seal. The House shall adopt its own official seal. Use of official seal shall be restricted to official documents, transactions and other related official legislative purposes unless permitted or directed by the House through the Speaker or his duly authorized representative.
SOURCE: Committee on Rules