§ 31341. Persons presumed to have authority to procure necessaries
               		
               		
               	 	
               	 	
               	 	
               	 		
(a)
The following persons are presumed to have authority to procure necessaries for a vessel:
(3)
a person entrusted with the management of the vessel at the port of supply; or
 
(4)
an officer or agent appointed by—
(C)
an owner pro hac vice; or
 
(D)
an agreed buyer in possession of the vessel.
 
 
 
(b)
A person tortiously or unlawfully in possession or charge of a vessel has no authority to procure necessaries for the vessel.