one who (a) Participates in a Communist or other rebellious organization or its activities; (b) Participates in a violent or terrorist organization or its activities; (c) Has been implicated in sedition or aiding an outside enemy; or (d) Has been involved in a serious crime or in habitual crime outside the Taiwan region).
2. 參加暴力或恐怖組織，或其活動者。3. 涉有內亂罪、外患罪重大嫌疑者。4. 在台灣地區外涉嫌重大犯罪或有犯罪習慣者。）情形之一者，不予許可。