Your signature must be notarized.

阁下的签名必须被公证。

This contract needs to be notarized.

这个合同需要进行公证。

That is China entrust notary notarized.

即中国委托公证人公证。

His will has been notarized in the notary office.

他的遗嘱已经在公证处公证过了。

The Notarized Tax & Business Registration documents.

经过公证的商业、税务登记文件。