He has subsequently served as Vice President of the Presidium of the SPA .
He was Chairman of the Supreme People 's Assembly from 1983 to 1998 ( following 1994 it was formally the highest position in the state ) .
Chairman has subsequently served as Vice President of the Presidium of the Supreme People 's Assembly .
He was Chairman of the Supreme People 's Assembly from 1983 to 1998 ( following 1994 it was formally the highest position in the state ) .