This is the 1529th most frequent German word.
bundesweit
Nationwide.
Here, 'bundesweit' is used as an adverb modifying 'gelten', emphasizing the scope of the applicability of the regulations across the entire country.
Die neuen Vorschriften gelten bundesweit.
The new regulations apply nationwide.
In this sentence, 'bundesweit' functions as an adjective describing the campaign, indicating the campaign's coverage throughout the national territory.
Die bundesweite Kampagne zur Förderung von Kunst hat begonnen.
The nationwide campaign to promote art has started.
Here, 'bundesweit' is used as an adverb that sets the scope or domain of circulation for the new initiatives.