求英語高手, 中翻譯英~?

An ambiguous case=treat this signature effective or not? when,where, whom?How does it to connect with BOC?
---Please see the attached form needs to be amended or not .
If there is no problem,I shall submit the completed form to Mr.Li.
Is the signature on the attachment effective by your BOC ?
(if not,when does the signature becomes effective?)

Please help to see if the contents of the annex need to be modified or NOR? If there is no problem I will be provided to Li Sheng. Will the signatories in the annex to your BOC has been in force or when?

Please check the attachment whether it need to be amended or not. If ok, I will summit it to 李生. Is the signature in the attachment effective by your BOC ? Or would you mind telling me the effective date?