8.—(1) An applicant shall make an application to the Board within 3 years of the establishment day.
(2) The Board may, at its discretion and where it considers there are exceptional circumstances, extend the period referred to in subsection (1).
(3) The Board shall extend the period referred to in subsection (1) where it is satisfied that an applicant was under a legal disability by reason of unsound mind at the time when such application should otherwise have been made and the applicant concerned makes an application to the Board within 3 years of the cessation of that disability.