The owners of towers or antennas approved as a result of this subchapter shall provide to the Planning Commission evidence of an annual inspection of the premises for health, safety and general welfare concerns including structural stability, maintenance and other conditions established by the Planning Commission at the time of approval. The owner shall also provide copies of required FAA and FCC inspection and registration approvals on an annual basis. All annual reports shall include information regarding current users of the tower or antenna structure as well as date of abandonment if appropriate. All annual reports shall verify existence of valid and required performance guarantee as defined in § 154.506.