Without prejudice to the power of representation granted to the Board of Directors by law, the Company is only committed to third parties through the joint signature of two authorised representatives.

在不损害代表的力量给董事会根据法律规定，只有公司致力于第三方通过共同签署两授权的代表。

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XML signature, a joint IETF and W3C standard for digitally signing content and embedding those signatures in XML documents, addresses the problem of authentication.

XML签名，一个用来为内容数字签名并嵌入XML文档的IETF和W3C的联合标准，解决了验证的问题。

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However, the representative said the IRS could in its discretion accept the signature of only one spouse on amended joint returns, as long as full payment of the tax, interest and penalties is made.

FORBES: Must You Enter IRS Offshore Disclosure With Your Spouse?