Comprehensive Chinese-English Dictionary

盖章 [gàizhāng]

1. 1. affix one's seal; seal; stamp

   由本人签字盖章

   to be signed and sealed by the recipient or applicant

   这份合同他已盖过章了。

   He has affixed his seal to the contract.

   这份文件需要盖章。

   这份协议盖章后才生效。