Currently, we skip this attribute because it isn't commonly used in the systems we are aware of. The only current use case would be marking a translation as reviewed when the state is set to 'final' or 'signed-off.'

https://docs.oasis-open.org/xliff/v1.2/os/xliff-core.html#:~:text=State%20%2D%20The%20status%20of%20a%20particular%20translation%20in%20a%20%3Ctarget%3E%20or%20%3Cbin%2Dtarget%3E%20element.