Action by Board of Supervisors. All applications for approval of
a plan, whether preliminary or final, shall be acted upon by the Board
of Supervisors. The Board of Supervisors shall render its decision
and communicate it to the applicant not later than 90 days following
the date of the regular meeting of the Planning Commission next following
the date the application is filed, or after a final order of the court
remanding an application, provided that, should the next regular Planning
Commission meeting occur more than 30 days following the filing of
the application or final order of the court, the ninety-day period
shall be measured from the 30th day following the date the application
has been filed.