It is a central agency that has the necessary tools to do this kind of coordination. It is also important to have a government-wide plan for official languages, whether it is an action plan or something else, to ensure the development of communities, and someone must coordinate this plan.
What is also extremely important is the way in which a mechanism is put in place to consult with communities in order to create programs and policies that are in line with their needs or, at least, that do not hinder their development.