(a) An official publisher of legal material in an electronic record that is or was designated as official under § 404 of this title shall provide for the preservation and security of the record in an electronic form or a form that is not electronic.
(b) If legal material is preserved under subsection (a) of this section in an electronic record, the official publisher shall:
(1) Ensure the integrity of the record;
(2) Provide for backup and disaster recovery of the record; and
(3) Ensure the continuing usability of the material.