SIGNED by a duly authorized representative of Disclosing Party and Receiving Party.

本合同由透露方和接受方合法授权的代表人签署。

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This Agreement may be amended only by a written instrument signed by duly authorized representatives of both parties.

本合同只有经双方当事人授权的代表正式签署的书面文件，方可修改。

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Any Amendment of this Agreement shall be in writing and shall be signed by duly authorized representatives of both Parties hereto.

对本协议做出的任何修订均须以书面形式进行，且必须经协议双方正式授权的代表签署。

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"A duly authorized federal law-enforcement investigation came to be characterized as yet another political game, " he said.

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The court also was offended that a company was being punished for violating a rule that did not exist and for behavior that was never officially ruled to be wrong by a duly authorized entity.

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