To allow authorized services, training programs, and ceremonies in the specified buildings and grounds, the Secretary of the Smithsonian Institution, the Trustees of the National Gallery of Art, and the Trustees of the John F. Kennedy Center for the Performing Arts (or their designees) may suspend for their respective agencies any of the prohibitions contained in sections 6302 and 6303 of this title as may be necessary for the occasion or circumstance if—

((1)) responsible officers have been appointed; and

((2)) the Secretary of the Smithsonian Institution, the Trustees of the National Gallery of Art, and the Trustees of the John F. Kennedy Center for the Performing Arts (or their designees) determine that adequate arrangements have been made—

((A)) to maintain suitable order and decorum in the proceedings; and

((B)) to protect the specified buildings and grounds and persons and property in those buildings and on those grounds.