In 1998 a new Constitution passed the President 's powers to the President of the Presidium ; in the same year , Yang was replaced by Kim Yong - nam in that capacity .
In 1998 a new Constitution continued to serve as vice-president again .
In 1998 a new Constitution passed the President 's powers to the President of the Presidium ; in the same year , Yang was replaced by Kim Yong - nam in that capacity , but continued to serve as vice-president again .