The maritime administrative institutions at all levels shall be specifically responsible for the supervision and administrationofship identification numbers.
各级海事管理机构具体负责船舶识别号的监督管理工作。
2
On your second question, the patrol ship "Haixun 31" of the Maritime Safety Administration of China headed for Singapore from Zhuhai on June 15 for a normal visit.
关于第二个问题，15日，中国海事局“海巡31”船从珠海启程前往新加坡。这是一次正常的访问。
3
Ship safety inspection is one of the supervisory action taken by Maritime Safety Administration, Which is restricted by the rule of "collecting evidence before taking administration".