Using women and children labor shall be prohibited in heavy and underground works and in harmful conditions. Article 36. Everyone shall have the right to a home. This right shall be ensured by means of construction of state, public, cooperative and private home. Article 37. Everyone shall have the right to leisure. Establishing working weeks and days, paid annual leaves, weekly days off, and other conditions prescribed by law, shall ensure this right. Article 38. Everyone shall have the right to health care. Everyone shall enjoy free of charge medical assistance in the state medical establishments, within the framework of law. The state shall take measures aimed at protecting environment, developing mass sport, physical culture, and tourism. Law shall define other types of medical assistance. Article 39. Everyone shall be guaranteed social security in old age, in the time of sickness, invalidity and loss of ability to work, or loss of a guardian or other instances prescribed by law. Article 40. Everyone shall have the right freely to take part in the cultural life of society, artistic, scientific, and technical creation and to use their achievements. The state shall protect cultural and spiritual values. Law shall protect intellectual property. Article 41. Everyone shall have the right to education. The basic general education shall be compulsory. The state shall guarantee the free of charge general basic compulsory education in the state educational establishments. Everyone shall get free of charge general vocational, primary specialized, vocational specialized and higher specialized education in the state educational establishments, within the framework determined by law. Other forms of education shall be determined by law. Article 42. In Tajikistan everyone shall be obliged to follow the Constitution and the laws and recognize the rights, liberties, dignity and honor of others. Ignorance of the law shall not liberate from responsibility. Article 43. The protection of the homeland, defending the interests of the state, strengthening the independence, security and its defense capabilities shall be the sacred duties of citizens. Law shall specify the procedure for military service. Article 44. The protection of natural, historical and cultural heritage shall be the duties of everyone. Article 45. Everyone shall be obliged to pay taxes and duties specified by law. Laws introducing new taxes or making the situation of the taxpayer difficult shall not have retrospective action.