Section 17(3) in The Mizoram Autonomous District Council (Constitution and Conduct of Business of the District Councils) Rules, 1974
(3)In the event of any vacancy arising in a constituency under sub-rule (1) or (2), the Returning Officer shall, subject to the provisions of sub-rule (2) of Rule 165, declare the candidate polling the next highest number of valid votes in that constituency as shown in the return prescribed under Rule 168 to be duly elected to fill up the vacancy and the name of the candidate so elected shall be reported to the Secretary to the Government of Mizoram, Local Administration Department and published in the Gazette under the signature of the Returning Officer.
