Article 343-A Federal Labor Law

The provisions of this chapter are applicable in all the coal mines of the Mexican Republic, and to all their mining developments in any of the mining stages in which they are found, whether prospecting, preparation, exploration and exploitation, regardless of the type of exploration and exploitation in question, whether underground mines, drag mines, open-pit cuts, inclined and vertical shafts, as well as extraction in any of its modalities, carried out in artisanal form, which, for the purposes of this Law, are considered work centers.