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.

A government agency shall accept the request of the government information that contains restricted contents as referred in Article 18 if there is a change in situation and it is no longer necessary to restrict the publication or refuse the provision of such information.