LAENDER: readonly [
"Baden-Württemberg",
"Bayern",
"Berlin",
"Brandenburg",
"Bremen",
"Hamburg",
"Hessen",
"Mecklenburg-Vorpommern",
"Niedersachsen",
"Nordrhein-Westfalen",
"Rheinland-Pfalz",
"Saarland",
"Sachsen",
"Sachsen-Anhalt",
"Schleswig-Holstein",
"Thüringen",
] = ...
The sixteen Länder, spelled as the members feed spells them in
<state>(checked against the live feed 2026-10-06: every one of the 193 records carries one of these). Art. 51 GG fixes the Bundesrat's membership to the Länder governments, so astatefilter outside this list can only ever match nothing.