In order to enhance the amount of quality information available, the Department is requiring the reporting of data that is available by dispatch and records maintained as required under this Subtitle. Certificate holders will be required to submit the reports annually. All company or certificate holders must submit reports on operating information annually for all certificates. Reports must contain data from July 1 through June 30 of each year. Reports are due no later than September 30th each year and must be submitted on forms designated by the Director. The following information must be reported to the Department: Number of calls received for service; Number of calls received for accessible taxicabs service; Number of taxicabs in service daily; Total number of accessible taxicabs in service daily; Total number of trips; Total number of accessible trips. Total number of accident and arrest reports required under Sections 20-120 and 20-121 of this Subtitle; and Total number of taxicabs inactive during the preceding year and explanation for period of inactivity. Company and certificate holders must maintain records and submit reports for all owned and affiliated taxicabs. Failure to submit complete reports sixty days after the end of the year's collection is grounds for suspension or revocation of the certificate.