18. An application for review shall be made within 90 days after the date of notice to the applicant of the decision he applies to have reviewed. The Board may, however, allow the applicant to present his application for review after such time if he shows that in fact it was impossible for him to act sooner.
The application for review must contain a summary statement of the reasons invoked.
1973, c. 36, s. 15; 1997, c. 43, s. 29.