Immigration Act Article 69
The check conducted by the staff of the National Immigration Agency pursuant to Article 67 shall be proceeded on-site. Upon the consent of the person under the check or if one of the following circumstances occurs on-site, the staff shall take the person to the service place:1. There is no way to ascertain the identity of the person,2. Proceeding the check will cause disadvantageous effects on the person under the check.3. Transpiration is obstructed or peace is disturbed.4. The passport, other entry or exit documents held by the person under check are obviously invalid, counterfeited or tampered.5. The person refuses to undergo a check.6. The person has conducted an act provided under Articles 73 or 74.7. A situation which falls in the circumstances provided under this Act.8. Upon the notification from a judicial authority or a military authority, the person is to be detained due to his/her involvement in a case.When the staff takes the person under the check to the service place pursuant to the preceding Paragraph, he/she shall not use force against the person who does not resist against the check. In addition, the duration of the check shall not exceed three (3) hours, starting from the time of stopping the person for the check. The staff shall immediately notify a family member, relative, friend or attorney designated by the person.