reason for holding it becomes definite after 30 days prior to the election day shall be held on the election day of the following special election day; (a) Special elections and reelections of the National Assembly members and local council members, and special elections of the local council members for a membership increase shall be held on the first Wednesday of April:. Provided, That an election, the reason for holding which become definite after March 1, shall be held on the first Wednesday of April of the following year;. (b) A special election or reelection of the head of a local government, the reason for holding which becomes definite from September 1 of the preceding year to the end of February, shall be held on the first Wednesday of April; (c) A special election or reelection for the head of a local government, the reason for holding which become definite from March 1 to August 31, shall be held on the first Wednesday of October; 2. The election of the heads of local governments due to an establishment, abolition, division or merger of local governments shall be held on a day determined by the chairperson of the competent constituency election commission in consultation with the head of the relevant local government (including his or her proxy) within 60 days from the time when the reason for holding the relevant election becomes definite. In such cases, the election day shall be publicly announced not later than 30 days before the election day by the chairperson of the competent constituency election commission. (3) The reelection provided for in Article 197 shall be held within 30 days after the final judgment or decision is notified, but the competent constituency election commission shall determine the reelection day and publicly announce it. (4) "Special election" in this Act means an election as provided for in paragraphs (1) through (3) and Article 36. (5) "Time when the cause for holding the election becomes definite" in this Act means the following days: <Amended on Feb. 16, 2000; Mar. 12, 2004> 1. The day when the cause therefor occurs, in cases of an election to be held due to a presidential vacancy; 2. The day when the National Election Commission is in receipt of the notification of relevant causes in cases of a special election of a constituency member of the National Assembly, and the day when the competent constituency election commission is in receipt of the said notification in cases of a special election of a member of local council and for the head of a local government; 3. The day when the cause therefor becomes definite in cases of a reelection (where it has become definite by a judgment or ruling of the court, the day when the competent constituency election commission is in receipt of the notification of such a judgment or ruling). In such cases, for reelection under Article 195 (2), the time when a cause for holding the special election becomes definite shall be deemed to be the time when a cause for holding the reelection becomes definite; 4. The day when the attached Table 2 or ordinances of City/Do concerning the new constituency becomes effective, in cases of an election for a membership increase of local council members;