Article 14 The State encourages cooperation and saving, and supervises the regulation of credit. Article 15 a. Taxes and public expenditures are based on social justice, and their payment is a duty under the law. b. The law regulates exemption of low incomes from taxes in order to ensure that a minimum standard of living is safeguarded. Article 16 a. Public jobs are a national service entrusted to their incumbents, and State employees shall have the public interest in mind when performing their jobs. Foreigners shall not be entrusted with public posts except in those cases specified by law. b. Citizens are equal in the assumption of public posts in accordance with the conditions specified by law. Chapter III Public Rights and Duties Article 17 a. Bahraini nationality shall be determined by law. A person inherently enjoying his Bahraini nationality cannot be deprived of his nationality except in case of treason, and such other cases as prescribed by law. b. No Bahraini citizen may be deported from Bahrain or prevented from returning thereto. Article 18 People are equal in human dignity, and citizens are equal before the law in public rights and duties. There shall be no 12