refers. g) General criteria for the public financing of medicines, medical products and their variables. h) Establishment of criteria and mechanisms in order to guarantee at all times the financial sufficiency of the system. The prior functions shall be exercised without prejudice to the legislative purview of the Cortes Generales and, as appropriate, the norms of the General Administration of the State; likewise the normal developmental, executive and organizational purview of the autonomous communities. Purview of the autonomous communities in matters of health Article 41 of the General Health Law establishes that: The autonomous communities exercise the purview assumed in their statutes [of autonomy] and those that the state transfers to them or, as appropriate, delegates to them. The public policies and actions foreseen in this Act which are not expressly reserved for the state will be deemed to have been delegated to the autonomous communities. The State finances, through general taxes, all health benefits and a percentage of pharmaceutical benefits. This tax is shared among the several autonomous communities according to various sharing criteria now that the communities are responsible for health in their respective territories. Each year the CISNS, after deliberation, establishes the portfolio of services covered by the National Health System, which is published by a Royal Decree of the Ministry of Health. Each autonomous community then establishes its respective portfolio of services, which includes at least the service portfolio of the National Health System. Purview of local governments in matters of health Article 42 of the General Health Law sets out that ayuntamientos—municipal governments—have the following responsibilities with respect to health, without prejudice to the purview of other public administrative bodies: a) Health control of the environment: air pollution, water supply [and water quality], wastewater treatment, urban and industrial residue. b) Health control of industries, activities and services, transport, noise and vibrations. c) Health control of buildings and places of human residence or gathering, especially of food centers, hairdressers, saunas and centers of personal hygiene, hotels and residential centers, schools, tourist campsites and areas of physical activity for sports and recreation. d) Health control of perishable food distribution and supply, beverages and other products directly or indirectly related to human use or consumption, such as means of transport. e) Health control of cemeteries and mortuary health policy. Territorial organization As a consequence of the decentralization contemplated by the Spanish Constitution, each autonomous community has received adequate