Immigration Act Article 18
The National Immigration Agency shall prohibit an alien from entering the State if he/she meets one of the following circumstances:1. Does not carry his/her passport or refuses to submit it for inspection.2. Has held an illegally acquired, counterfeited, or fraudulent passport or visa.3. Has held another person's passport or a passport applied by using a false identity.4. Has held an invalid passport , lacks a required visa, or a passport that bears an invalid visa.5. Has made a false statement or hidden important facts about his/her purposes to apply for entry into the State.6. Has carried contraband.7. Has a criminal record in the State or foreign countries.8. Has suffered from a contagious disease or other diseases that may jeopardize public health.9. Is believed, on the basis of sufficient factual proof, to be incapable of making a living in the State, save the circumstance that he/she seeks shelters from his/her sponsor and has endorsement.10. Has held a visitor visa but does not have an air ticket or a steamer ticket for a return trip or a trip to the next destination or has not secured an entry visa for the next destination.11. Has been denied entry, ordered to exit within a certain time, or deported from the State.12. Has overstayed his/her visit or the period of his/her residence or has worked illegally.13. Is believed to endanger national interests, public security, public order, or the good customs of the State.14. Hinders good social customs.15. Is believed to engage in terrorist activities.16. Seriously violates internationally recognized human rights.If a foreign government prohibits a national of the State from entry pursuant to reasons other than those reasons set forth in the each Subparagraph of the preceding Paragraph, the National Immigration Agency may apply the same reasons to prohibit that country's nationals from entering the State after consulting with the Ministry of Foreign Affairs of such prohibition.The period of entry as prohibited under Subparagraph 12, Paragraph 1 shall be one (1) year or over from the next day of the date of an alien’s exit of the State and shall not be more than seven (7) years.The provision of entry ban as set out in Subparagraph 16, Paragraph 1 shall apply mutatis mutandis to the people of the Mainland Area and the residents of Hong Kong or Macau.
中文原文 入出國及移民法第18條
外國人有下列情形之一者，移民署得禁止其入國：
一、未帶護照或拒不繳驗。
二、持用不法取得、偽造、變造之護照或簽證。
三、冒用護照或持用冒用身分申請之護照。
四、護照失效、應經簽證而未簽證或簽證失效。
五、申請來我國之目的作虛偽之陳述或隱瞞重要事實。
六、攜帶違禁物。
七、在我國或外國有犯罪紀錄。
八、患有足以妨害公共衛生之傳染病或其他疾病。
九、有事實足認其在我國境內無力維持生活。
但依親及已有擔保之情形，不在此限。
十、持停留簽證而無回程或次一目的地之機票、船票，或未辦妥次一目的地之入國簽證。
十一、曾經被拒絕入國、限令出國或驅逐出國。
十二、曾經逾期停留、居留或非法工作。
十三、有危害我國利益、公共安全或公共秩序之虞。
十四、有妨害善良風俗之行為。
十五、有從事恐怖活動之虞。
十六、有嚴重侵害國際公認人權之行為。
外國政府以前項各款以外之理由，禁止我國國民進入該國者，移民署經報請主管機關會商外交部後，得以同一理由，禁止該國國民入國。
第一項第十二款之禁止入國期間，自其出國之翌日起算至少為一年，並不得逾七年。
第一項第十六款禁止入國之規定，於大陸地區人民、香港或澳門居民準用之。
一、未帶護照或拒不繳驗。
二、持用不法取得、偽造、變造之護照或簽證。
三、冒用護照或持用冒用身分申請之護照。
四、護照失效、應經簽證而未簽證或簽證失效。
五、申請來我國之目的作虛偽之陳述或隱瞞重要事實。
六、攜帶違禁物。
七、在我國或外國有犯罪紀錄。
八、患有足以妨害公共衛生之傳染病或其他疾病。
九、有事實足認其在我國境內無力維持生活。
但依親及已有擔保之情形，不在此限。
十、持停留簽證而無回程或次一目的地之機票、船票，或未辦妥次一目的地之入國簽證。
十一、曾經被拒絕入國、限令出國或驅逐出國。
十二、曾經逾期停留、居留或非法工作。
十三、有危害我國利益、公共安全或公共秩序之虞。
十四、有妨害善良風俗之行為。
十五、有從事恐怖活動之虞。
十六、有嚴重侵害國際公認人權之行為。
外國政府以前項各款以外之理由，禁止我國國民進入該國者，移民署經報請主管機關會商外交部後，得以同一理由，禁止該國國民入國。
第一項第十二款之禁止入國期間，自其出國之翌日起算至少為一年，並不得逾七年。
第一項第十六款禁止入國之規定，於大陸地區人民、香港或澳門居民準用之。