Referendum Act Article 12

For matters prescribed in Paragraph 2 of Article 2, the number of joint signatories shall be no less than 1.5% of the total electorate in the most recent Presidential Election.The lead proposer of a referendum shall, within six months of the day following the date of receiving the joint signature list format or the authentication code for the electronic joint signature system, submit the original and a copy of the joint signature list, or the electronic record thereof, to the competent authority at one time. Failure to submit the list within the specified period shall be deemed a withdrawal of the proposal.The joint signature list referred to in the preceding paragraph shall be completed in the specified format, with each joint signer's signature or seal, National ID card number, and registered address affixed. The list shall be bound into volumes, separated by special municipality, county (city), and township (city/district), and submitted to the competent authority.If a referendum proposal is deemed to have been withdrawn under Paragraph 2 above or Paragraph 9 of Article 10, the original proposers may not resubmit a proposal on the same matter within two years from the date of withdrawal.
中文原文 公民投票法第12條
第二條第二項各款之事項,連署人數應達提案時最近一次總統、副總統選舉選舉人總數百分之一點五以上。
公民投票案提案人之領銜人,應於領取連署人名冊格式或電子連署系統認證碼之次日起六個月內,將連署人名冊正本、影本各一份或其電磁紀錄,向主管機關一次提出;屆期未提出者,視為放棄連署。
前項連署人名冊,應依規定格式逐欄填寫,連署人應親自簽名或蓋章,填具本人國民身分證統一編號及戶籍地址,並分直轄市、縣(市)、鄉(鎮、市、區)別裝訂成冊向主管機關提出。
公民投票案依第二項或第十條第九項規定視為放棄連署者,自視為放棄連署之日起,原提案人於二年內不得就同一事項重行提出之。

English translation for reference only; the Chinese text prevails. Not legal advice.