(1) The database of persons falling under any of the following subparagraphs shall be protected under this Act:
1. Nationals of the Republic of Korea;
2. Foreign nationals protected by the treaties to which the Republic of Korea has acceded or which it has concluded in relation with the protection of database.
(2) Even for a foreign national database protected under paragraph (1), if the foreigner’s country does not protect the database of nationals of the Republic of Korea, the protection under the treaties and this Act may be limited proportionately therewith.