This Agreement comes into effect on the date when the Contractor receives one original of this documents signed by the Employer.

本协议书从承包商收到雇主签字的本文件一份原件的日期开始生效。

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Contracts, agreements and other documents signed by taxpayers that contravene tax laws, tax administrative rules or regulations shall be null and void.

其签订的合同、协议等与税收法律、行政法规相抵触的，一律无效。

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This Contract can only be altered, amended or supplemented in accordance with documents signed and sealed by authorized representatives of both parties.

本翕合同只能按照双方授权代表签名盖章的文件进行修改或增补；

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Russian President Dmitri Medvedev pardoned Sutyagin and three other convicted spies after they signed documents admitting their guilt.

VOA: standard.2010.07.09

It has been replacing court affidavits that Mr. Stephan signed with documents signed by others.

WSJ: Paperwork Trail: The Lawyers Who Fight Foreclosures

Gloucestre, was "one of less than a dozen such documents signed with the others now residing in public institutions".

BBC: Richard III letter fetches ?35,000 at auction

He is accused of illegally transferring children abroad with the help of two notaries who are suspected of falsifying "disclaimer" documents signed by single mothers.

BBC: Algeria-France child trafficking trial opens in Algiers