Article 11 Matters related to domestic as well as foreign trade shall be regulated by law in accordance with the economic requirements of the country and public interests. Article 12 Da Afghanistan Bank shall be independent and the central bank of the state. Currency issuance as well as formulating and implementing the monetary policy of the country shall be, according to provisions of the law, the authority of the central bank. The central bank shall consult the economic committee of the House of People about printing of money. The organization and operation method of Central Bank shall be regulated by law. Article 13 The state shall design and implement effective programs for developing industries, expanding production as well as protecting activities of craftsmen to raise the standard of living of the people. Article 14 The state, within its financial means, shall design and implement effective programs to develop agriculture and animal husbandry, improve economic, social, and living conditions of farmers, herders and settlers as well as the nomads' livelihood. The state shall adopt necessary measures for provision of housing and distribution of public estates to deserving citizens in accordance with the provisions of law and within financial possibilities. Article 15 The state shall be obligated to adopt necessary measures to protect and improve forests as well as the living environment.