1. Promulgated on December 10, 1997
2. Amendment to Articles 2, 8~10, 13, 15, 16 and 18, addition of Articles 13-1 promulgated on March 29, 2002
3. Deletion of Articles 13-1 promulgated on November 3, 2005
4. Amendment to all Articles promulgated on May 25, 2015