Within forty-five (45) days after the referral of an application, or within fifteen (15) days after the closing of the record following a public meeting, whichever occurs later, the Historic Preservation Commission shall render its findings and conclusions with respect to an application. No record shall be left open for longer than seven (7) calendar days. Notwithstanding the provisions of Subsection (a), in the case of any subdivision application referred to the Commission, it shall render its findings and conclusions with respect to the application within thirty (30) days after referral of such application. Failure to adhere to the limits specified in this Section shall be considered as a recommendation for removal of the historic resource from the master plan for historic preservation and as authorization by the Commission to the Director to issue a permit or take no further action under Division 5 of this Subtitle, whichever is applicable.