Recommendations regarding zoning matters. Within 30 days after any referral for review, requested report or hearing regarding a zoning matter, unless a different time is required within this chapter, the Planning Commission shall record its review, analysis and recommendations in written form, copies of which shall be forwarded to the appropriate body, such as the Borough Council, the Zoning Hearing Board or, in certain cases, the Zoning Officer. The thirty-day period for a decision shall be computed from the day the Planning Commission accepted the subject matter requiring the course of the review. The thirty-day period prescribed above shall be applicable only after the holding of a required public hearing in accordance with public notice required by Act No. 247 and this chapter.