|(a) This Regulation, and its associated guidelines and criteria|
|Refer to the General Provisions on Ship’s Routeing adopted by the Organisation by resolution A.572 (14), as amended.|
, do not apply to warships, naval auxiliary or other vessels owned or operated by a Contracting State and used, for the time being, only on government non-commercial service; however, such ships are encouraged to participate in ships’ routeing systems adopted in accordance with this Regulation.
|(b) A ship shall use a mandatory ships’ routeing system adopted by the Organisation as required for its category or cargo carried and in accordance with the relevant provisions in force unless there are compelling reasons not to use a particular ships’ routeing system. Any such reason shall be recorded in the ship’s official log book.”.|