Masters, officers and other personnel designated on muster lists to assist passengers in emergency situations on board passenger ships shall have completed training in crowd management as specified in section A-V/2, paragraph 1 of the STCW Code. (STCW Reg. V/2.4) These seafarers must, at intervals not exceeding 5 years, undertake appropriate refresher training or be required to provide evidence of having achieved the required standard ofΒ competence within the previous 5 years. (Regulation V/2.3)