ARTICLE V. LEGISLATIVE BRANCH LEGISLATIVE POWER Section 1. The legislative power of the Virgin Islands is vested in a unicameral body designated the Senate of the Virgin Islands and shall extend to all subjects of legislation consistent with this Constitution and the Constitution and laws of the United States applicable to the Virgin Islands. To the extent not inconsistent with the Constitution and laws of the United States, this Constitution and laws of the Virgin Islands enacted under it shall be the supreme law of the Virgin Islands. COMPOSITION OF THE SENATE Section 2. The Senate shall consist of fifteen members to be known as Senators. The Senate shall provide for district and at-large Senators in accordance with law: Provided, That there shall be no more than four at-large Senators and the legislative districts of St. Croix, St. John, and St. Thomas each shall be represented. District Senators shall be elected for a term of two years, and at-large Senators for a term of four years. REAPPORTIONMENT Section 3. (a) At least once every ten years and within one hundred and twenty days of publication of an official census, the Senate shall be reapportioned by law as required by changes in the distribution of residents on each island. A reapportionment plan may divide a legislative district and shall provide for representation by each Senator of approximately the same number of residents, while ensuring representation for each island. (b) If the Senate fails to reapportion, the appellate court shall have original and exclusive jurisdiction to promulgate a reapportionment plan. QUALIFICATIONS OF SENATORS Section 4. A Senator shall be- (a) a citizen of the United States, (b) a citizen of the Virgin Islands, (c) a qualified voter of the Virgin Islands for at least three years, (d) at least twenty-one years of age, (e) a domiciliary of the Virgin Islands for at least five years immediately preceding the date ig office, and (f) if a district Senator, a domiciliary legislative district from which elected for at least thirty da. lediately preceding the date of filing for office. COMPENSATION Section 5. No law increasing the compensation ,, senators shall take effect during the term of the Senate that enacts the law.