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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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