While within the navigable waters of the United States or the Exclusive Economic Zone, a ship is subject to inspection by the Coast Guard or other authorized federal agency to determine if-

(a) The ship has been operating in accordance with these regulations and has not discharged plastics or other garbage in violation of the provisions of the Act or Annex V of MARPOL;

(b) Grinders or comminuters used for the discharge of garbage between 3 and 12 nautical miles from nearest land are capable of reducing the size of garbage so that it will pass through a screen with openings no greater than 25 millimeters (one inch);

(c) Information for recordkeeping requirements, when required under § 151.55, is properly and accurately logged;

(d) A garbage management plan, when required under § 151.57, is on board and that the condition of the ship, equipment and operational procedures of the ship meet the plan; and

(e) Placards, when required by § 151.59, are posted on board.