船级证明是船公司出具的说明载货船舶符合一定船级标准的证明。信用证中常见的船只等级条款如：“A certificate from an international classificationsociety，stating that all ship cargo gears are in good working order and condition is required．”又如：“Goods to be shipped by liner vessels covered by Institute Classification Clause．”有这种类似条款时，出口商须提供船公司出具的船级证明...