Original: He was a member of the Bundestag from 1975 to 1992 and again since 1998 ; from 1995 to 1998 he was a member of the Landtag ( state parliament ) of North Rhine-Westphalia .
Simplified: He was member of the Bundestag ( Federal Parliament ) from 1974 to 1992 and has been member again since 1998 .