(a) Duty.--An official publisher of legal material in an electronic record that is or was designated as official under section 704 (relating to legal material in official electronic record) shall provide for the preservation and security of the record in an electronic form or a form that is not electronic.
(b) Requirements.--If legal material is preserved under subsection (a) 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.