本票据正面须有彩色背景图案，背面角上须有黄色荧光纤维的人工水印，否则视为无效票据。

This check is void without a colored background on the front & an artificial watermark with yellow fluorescent fibres on the back hold at angle to view.

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否则任何索赔将被视为无效。

Otherwise any claim shall be deemed to be waived.

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顾客满意度调查表的回收率必须达到70%以上，否则，该次调查结果视为无效。

The questionnaire of customers' satisfaction must be collected back at a rate over 70%. Otherwise, this survey will be deemed invalid.

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