(c) A recall petition may not be filed against a public official during the first year of a term of office or more than once a year. ARTICLE XII. CONSTITUTIONAL AMENDMENT Section 1. Proposal of amendments. Amendments to this Constitution shall maintain the principles of a republican form of government and may be proposed by a constitutional convention, the Senate, or initiative. Section 2. General constitutional convention. (a) The Senate, by the affirmative vote of two-thirds of its members, may submit to the qualified voters of the Virgin Islands at a regular general election the question, "Shall there be a constitutional convention to propose amendments to the Constitution?" This question shall be submitted by the Senate to the qualified voters of the Virgin Islands within ten years after the effective date of this Constitution and at least once every ten years thereafter. (b) An initiative petition may submit to the qualified voters of the Virgin Islands the question, "Shall there be a constitutional convention to propose amendments to the Constitution?" The petition shall be signed by at least ten per cent of the qualified voters of the Virgin Islands, and the question shall be submitted to the voters at the first regular general election held not less than ninety days after the filing of the initiative petition. (c) If a majority of those voting on the question of a constitutional convention favors holding such a convention, the Senate shall convene a convention promptly. (d) Delegates to a constitutional convention shall be elected on a nonpartisan ballot. A constitutional convention may propose an amendment to the Constitution only upon the affirmative vote of two-thirds of its members. Section 3. Legislative proposal. The Senate may propose an amendment to this Constitution upon the affirmative vote of two-thirds of its members. Section 4. Initiative. The people may propose an amendment to this Constitution by initiative. An initiative petition shall contain the full text of the proposed amendment and shall be signed by fifteen per cent of the qualified voters of each legislative district of the Virgin Islands or by sixty per cent of the qualified voters of the Virgin Islands. Section 5. Limited constitutional convention. A constitutional amendment proposed by the Senate or by initiative may provide, in accordance with its terms, for direct ratification by the qualified voters of the Virgin Islands or for the convening of a constitutional convention limited to the issues raised by the proposed amendment. If a majority of those voting on the question of a limited constitutional