§ 165. Reopening of disallowed claims. The board, upon receiving a statement duly filed as required under section one hundred sixty-two of this article, from a participant in World Trade Center rescue, recovery and clean-up operations for a qualifying condition that was disallowed as barred by section eighteen or section twenty-eight of this chapter or by section one hundred sixty-two of this article for failure to register timely shall reopen and redetermine such claim in accordance with the provisions of this article, provided that no such previously disallowed claim for a qualifying condition shall be determined to have a date of disablement that would bar the claim under section eighteen or section twenty-eight of this chapter.