Notice. If, after the expiration of such ninety-day or other relevant time period, such violations are not corrected, the Code Enforcement Official, if so authorized by the Village Board, shall serve notice in writing upon such mobile home park operator requiring the holder of the mobile home park permit to appear before the Village Board, at a time to be specified in such notice, to show cause why the mobile home park permit should not be revoked. Such hearing before the Village Board shall occur not less than 72 hours, or more than 10 days, after the date of service of said notice by the Code Enforcement Official.