The Freedom of Government Information Law Article 18

The government information as follows shall be restricted from making available to the public or provision:1. Classified by law as national secrets, required to maintain confidentiality or prohibited from provision to the public according to other laws, regulations, or orders.2. Making available to the public or provision will obstruct the investigation, prosecution, or law enforcement of a crime, impair the fair trial of a criminal defendant, or injure other people's life, body, freedom or property.3. The draft for internal use or other preparatory works before the government agency make a decision. Such works can be made available to the public or be provided if deemed necessary to public interest.4. Making available to the public or provision of the information will make difficult or disrupt the purpose of such works, where the government agency acquired or produced such information to enforce the works of supervision, management, investigation or ban.5. Making available to the public or provision of the material about the test or certification of specialized knowledge, skill or qualification will effect the enforcement of fairness and efficiency.6. Making available to the public or provision will invade personal privacy, professional secrets, or authors' ventilating right, except where it is necessary for public interest, protects people's life, body, health, or is consented by the person concerned.7. Making available to the public or provision of the information about trade secrets or business operations of a person, legal person or group will hamper the right, competitive position or just interests of such person, legal person or group, except where it is necessary for public interest, protects people's life, body, health, or is consented by the person concerned. 8. Making available to the public or provision of the cultural heritage that requires special management will possibly destruct or decrease its values.9. Making available to the public or provision of the information about government-run business entities will impair the just interest in operating the business, except where it is necessary for public interest.Government information containing materials that are restricted from making available to the public or provision, as specified in the above paragraphs, shall make other part of such information available to the public or be provided.
中文原文 政府資訊公開法第18條
政府資訊屬於下列各款情形之一者,應限制公開或不予提供之:
一、經依法核定為國家機密或其他法律、法規命令規定應秘密事項或限制、禁止公開者。
二、公開或提供有礙犯罪之偵查、追訴、執行或足以妨害刑事被告受公正之裁判或有危害他人生命、身體、自由、財產者。
三、政府機關作成意思決定前,內部單位之擬稿或其他準備作業。
但對公益有必要者,得公開或提供之。
四、政府機關為實施監督、管理、檢(調)查、取締等業務,而取得或製作監督、管理、檢(調)查、取締對象之相關資料,其公開或提供將對實施目的造成困難或妨害者。
五、有關專門知識、技能或資格所為之考試、檢定或鑑定等有關資料,其公開或提供將影響其公正效率之執行者。
六、公開或提供有侵害個人隱私、職業上秘密或著作權人之公開發表權者。
但對公益有必要或為保護人民生命、身體、健康有必要或經當事人同意者,不在此限。
七、個人、法人或團體營業上秘密或經營事業有關之資訊,其公開或提供有侵害該個人、法人或團體之權利、競爭地位或其他正當利益者。
但對公益有必要或為保護人民生命、身體、健康有必要或經當事人同意者,不在此限。
八、為保存文化資產必須特別管理,而公開或提供有滅失或減損其價值之虞者。
九、公營事業機構經營之有關資料,其公開或提供將妨害其經營上之正當利益者。
但對公益有必要者,得公開或提供之。
政府資訊含有前項各款限制公開或不予提供之事項者,應僅就其他部分公開或提供之。

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