[Grammar] which is approved by

[rainous]

The copy of certificate, which has been issued via internet certificate issuance system (which is) approved by the government, is identical with the original.

Is it OK to omit "which is"?

But it sounds somewhat strange without it.

Thanks

 

[billmcd]

A copy of the certificate, [STRIKE]which has been [/STRIKE]issued via the internet certificate issuance system [STRIKE](which is) [/STRIKE] and approved by the government, is identical [STRIKE]with[/STRIKE] to the original.

Is it OK to omit "which is"?

But it sounds somewhat strange without it.

Thanks

b.