Article 9. Vessels in need of cleaning inside a harbor must take safety and anti-pollution measures before the operations start with the approval of the Harbor Superintendency upon prior application.

• 第九条船舶需要在港内进行洗舱作业，必须采取安全和防止污染海域措施，并事先向港务监督申请，经批准后，方可进行。