It will be great to have as part of the standard Tryton modules. For that you need to submit an issue with the code and I will be happy to test/review.
I guess you also have setup the taxes and its taxs codes.
I guess one diference is the language 
It will be great to have as part of the standard Tryton modules. For that you need to submit an issue with the code and I will be happy to test/review.
I guess you also have setup the taxes and its taxs codes.
I guess one diference is the language