Enforcement Rules of the Act Governing Relations with Hong Kong and Macau Article 18

“Entering into the Taiwan Area without permission” as provided in Subparagraph 1 of Paragraph 1 of Article 14 of the Act refers to circumstances including entry with fake or forged passports, travel documents or other similar certifying documents, or by making untrue statements, concealing important facts or using other illegal methods for entry.
中文原文 香港澳門關係條例施行細則第18條
本條例第十四條第一項第一款所稱未經許可入境者,包括持偽造、變造之護照、旅行證或其他相類似之書證入境或以虛偽陳述、隱瞞重要事實或其他非法之方法入境者在內。

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