There is a very practical side to consider. To be able to work in the official language of one's choice, a person must have access to the necessary tools and training in that language, which is not the case at present.
It is worth noting that almost everything is already offered bilingually in what we call "the centre", the departmental headquarters. Very often, people in the regions do not have access to tools and training in the language of their choice. So in the bill, we could include these kinds of things and ensure that a person in a region has access to the "centre's" tools, training and services in the official language of their choice.