Section 145.15 - Location and number of fire extinguishers required for vessels contracted for prior to August 22, 2016(a) Vessels contracted for prior to August 22, 2016 must meet the following requirements:(1) Previously installed extinguishers with extinguishing capacities smaller than what is required in table 145.10(a) of this part need not be replaced and may be continued in service so long as they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection.(2) All new equipment and installations must meet the applicable requirements in this part for new vessels.USCG-2012-0196, 81 FR 48243 , July 22, 2016