; and (ii) the captain of the port concerned shall implement the policies that the Secretary approves. (C) Maintenance of policies The Secretary shall maintain a central depository for all regional policies approved under subparagraph (B). (b) Performance evaluation (1) In general The Secretary shall develop and implement a standard method for evaluating the performance of vessel traffic service centers. (2) Elements The standard method developed and implemented under paragraph (1) shall include, at a minimum, analysis and collection of data with respect to the following within a vessel traffic service area covered by each vessel traffic service center: (A) Volume of vessel traffic, categorized by type of vessel. (B) Total volume of flammable, combustible, or hazardous liquid cargo transported, categorized by vessel type. (C) Data on near-miss events. (D) Data on marine casualties. (E) Application by vessel traffic operators of traffic management authority during near-miss events and marine casualties. (F) Other additional methods as the Secretary considers appropriate. (3) Annual report Not less frequently than annually, the Secretary shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report on the evaluation conducted under paragraph (1) of the performance of vessel traffic service centers, including— (A) recommendations to improve safety and performance