14. _Application of ss. 7, 8, 9, and 14 of The Thames Act, 1883, to all registered boats and vessels._--The provisions of sections seven, eight, nine, and fourteen of The Thames Act, 1883, as to registered owners of steam-launches, shall apply to the registered owners of all boats or vessels for the time being registered pursuant to the provisions of this Act, and of the by-laws in that behalf from time to time in force, and the same section nine and section fourteen shall be read as if the words 'boat or vessel' therein were substituted for the word 'steam-launch,' and as if the words 'this Act' therein referred to the present Act. 15. _Every boat or vessel to be deemed to be in charge of one person._--Every boat or vessel used for pleasure navigation upon any part of the River Thames within the limits aforesaid shall be deemed to be in charge of one person, who shall be in every case a registered owner, or the person duly appointed or permitted by him to be in charge, or the person hiring such boat or vessel, and, in the absence of any such person, then any person having control or being in command of such boat or vessel. 16. _Person in charge to be responsible for order_.--Every person who for the time being is in charge of any boat or vessel shall be responsible for the preservation of order and decency, and for the observance of the provisions of this Act; and upon proof that an offence under this Act has been committed by any person on board such boat or vessel, and that the person in charge has refused to give the name and address of the offender, then the person in charge shall be deemed to have committed an offence under this Act. PART III.--GENERAL POWERS.