日期部分是负值表示在基准日期之前的日期。
Negative values in the date component represent dates prior to the base date.
除非另有说明，合同中提到的各项已公布标准应视为在基准日期适用的版本。
References in the Contract to published standards shall be understood to be references to the edition applicable on the Base Date, unless stated otherwise.
如果在基准日期之后，由于工程所在国的立法变更导致费用的增减，则合同价格应作出相应调整。
If the reference date, because of the countries in which the legislative changes lead to changes in costs, the contract price should be adjusted accordingly.
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