428. Wherever, outside Bangladesh-(a) a complaint is made to a Bangladesh Consular Officer or a senior officer of any ship of the Bangladesh Navy in the vicinity, hereinafter referred to as “Naval Officer”, by the master or any member of the crew of a Bangladesh ship, and such complaint appears to the Bangladesh Consular Officer or Naval Officer, as the case may be, to require immediate inquiry, or(b) the interest of the owner of a Bangladesh ship or of the cargo thereof appears to a Bangladesh Consular Officer or Naval Officer, as the case may be, to require such inquiry, or(c) an allegation of incompetency or misconduct is made to a Bangladesh Consular Officer or Naval Officer against the master, mate or engineer of a Bangladesh ship, or(d) any Bangladesh ship is lost, abandoned or stranded at or near the place where a Bangladesh Consular Officer or a Naval Officer may be, or whenever the crew or part of the crew of any Bangladesh ship which has been lost, abandoned or stranded arrives at that place, or(e) any loss of life or any serious injury to any person has occurred on board a Bangladesh ship at or near that place,the Bangladesh Consular Officer or Naval Officer, as the case may be, may, in his discretion, convene a Marine Board to inquire into the said complaint or allegation or the matter affecting the said interests or the cause of the loss, abandonment or the stranding of the ship, or of the loss of life or of the injury to the person.