Article 13-1
The provision of the revised Article 833-1 of the Civil Code shall also apply to the superficies of which the period has not been fixed before the revision of the BOOK of RIGHTS in REM of the CIVIL CODE, amended on 5th January 2010, coming into force.

Article 13-2
Yong-Dian occurred before the revision of the BOOK of RIGHTS in REM of the CIVIL CODE, amended on 5th January 2010, coming into force; its duration shall be reduced to twenty years from the date of the coming into force of the revision.
The provisions before the revision shall apply to Yong-Dian mentioned in the preceding paragraph.
When the duration of Yong-Dian mentioned in the first paragraph expires, the Yong-Dian holder is entitled to apply for registration for change to agricultural right.