30 The State has directly taken charge of financing health services such as those related to primary health care, health sensitization and enlightenment, combat of communicable and endemic diseases, vaccinations, chronic psychological and mental illnesses for gratis to all citizens. The Law (20/2010) stressed that authorities concerned should duly extend medical services in compliance with established professional and ethical standards as well as approved scientific methods, taking into account medical progress achieved in this domain. The Jamhirya thus has taken all measures necessary to increase leverage of health care for citizens in general and workers in particular by offering high-quality services in this field and sparing the citizen the burden of defraying costly treatment expenses. Only those who are able can pay nominal fees and the State shall pay for those who cannot afford. 4- Law on Income Taxes Within the framework of safeguarding economic rights of individuals, Law no (7) for 2010 on income taxes was issued to expand the cover of protection regarding rights of limitedincome categories by citing exemption from income taxes of mostly vulnerable brackets. In this perspective, the above mentioned Law provides in Article (33) for considerable exemptions reaching (14 cases). Law no (9) for 2010 stipulated in Article (10) for tax exemptions in favor of investment projects. 5- Investment Law The new Law treated as equal national and foreign investors in terms of privileges and rights with a view to rehabilitate and develop Libyan cadres and raise their level of efficiency as well as transfer and domesticate knowledge and achieve adequate development (Article 3) of the said Law, which is an application of Article (22) of the Charter.