Any person finding and taking possession of any wreck within any local limits for which there is a receiver of wreck, or bringing within such limits any wreck which has been found and taken possession of elsewhere, shall, as soon as practicable-

(a) if he be the owner thereof, give the receiver of wreck notice in writing of the finding thereof and of the marks by which such wreck is distinguished;

(b) if he be not the owner of such wreck, deliver the same to the receiver of wreck.