(a) In addition to the restrictions and requirements specified in sections 167a to 167e of this title, the Librarian of Congress may prescribe such regulations as may be deemed necessary for the adequate protection of the Library of Congress buildings and grounds and of persons and property therein, and for the maintenance of suitable order and decorum within the Library of Congress buildings and grounds.

(b) All regulations promulgated under the authority of this section shall be printed in one or more of the daily newspapers published in the District of Columbia, and shall not become effective until the expiration of ten days after the date of such publication.