Section 6. Qualifications. A justice or judge shall be a United States citizen and, for at least five years immediately preceding the date of appointment, a bona fide resident of the Virgin Islands and licensed to practice law in the Virgin Islands. Section 7. Compensation. The salary and allowances of a justice or judge may not be decreased during a term of office. Section 8. Restrictions on activities. A justice or judge may not engage in any activity which would interfere with the impartial administration of justice. A justice or judge, while in office, may not hold any other public position, engage in partisan politics, or run for elected office. Section 9. Rulemaking power. The Supreme Court shall adopt rules with respect to judicial matters, including civil and criminal procedure, judicial ethics, and admission to, governance of, and expulsion from the practice of law in the Virgin Islands. Section 10. Administration. The Chief Justice of the Supreme Court shall be responsible for the day-to-day administration of that court and all other courts established by law. The presiding judge of the Territorial Court shall be responsible for the day-to-day administration of that court. ARTICLE VII. LOCAL GOVERNMENT Section 1. Mayors. (a) A mayor shall be elected by the qualified voters of each administrative district of the Virgin Islands, the number and boundaries of which shall be determined by law. An administrative district may not be created without the approval of a majority of the qualified voters of the proposed administrative district voting on the question at a referendum. (b) A mayor shall be a United States citizen, a qualified voter of the Virgin Islands, at least thirty years of age, and a bona fide resident of the administrative district in which elected for at least five years immediately preceding the date of taking office. (c) A mayor shall serve for a term of four years but may not be elected for more than two successive full terms. A vacancy in the office of mayor shall be filled as provided by law, except that if more than two years remain in an unexpired term of office when a vacancy occurs, the vacancy shall be filled by special election. (d) A mayor may not hold any other public position while in office. Section 2. Powers and responsibilities of mayors.