Constitution of Zambia (Amendment) [No. 2 of 2016 15 (d) maintain a clean and healthy environment; (e) provide national, defence and military service when called upon by the State; and (f) co-operate with law enforcement agencies for the maintenance and enforcement of law and order. (2) A citizen shall endeavour to— (a) acquire basic understanding of this Constitution and promote its ideals and objectives; (b) register and vote, if eligible, in national and local government elections and referenda; (c) develop one’s abilities to the greatest possible extent through acquisition of knowledge, continuous learning and the development of skills; (d) foster national unity and live in harmony with others; and (e) understand and enhance Zambia’s place in the international community. 44. A reference in this Part to the citizenship of the parent of a person at the time of the birth of that person shall, in relation to a person born after the death of that person’s parent, be construed as a reference to the citizenship of the parent at the time of the parent’s death. Reference to citizenship of parent PART V REPRESENTATION OF THE PEOPLE Electoral Systems and Process 45. (1) The electoral systems provided for in Article 47 for the election of President, Member of Parliament or councillor shall ensure— (a) that citizens are free to exercise their political rights; (b) universal adult suffrage based on the equality of a vote; (c) fair representation of the various interest groups in society; and (d) gender equity in the National Assembly or council. (2) The electoral process and system of administering elections shall ensure— Principles of electoral systems and process