A certificate issued by the Children's Guardian that states that, on a specified date or during a specified period--
(a) a specified person was or was not the holder of a working with children check clearance, or
(b) a specified person had or had not made an application for a clearance, or
(c) a clearance was or was not in force, or
(d) a specified person was or was not subject to an interim bar,is admissible in legal proceedings as evidence of the matters so stated.