This is the 16280th most frequent Polish word.
ustawą
"Ustawą" in English means "a law" or "an act."
In this sentence, 'ustawą' is used in instrumental case, referring to the concept of 'law' as an agreed legal regulation.
Senat zgodził się na nową ustawę.
The Senate agreed on a new law.
Here, 'ustawą' is part of the phrase 'projekt ustawy' in the genitive case, related to the specific project of the law under discussion.
Projekt ustawy został przedłożony do dyskusji.
The draft of the law was presented for discussion.
In this example, 'ustawą' is used in locative case as part of the prepositional phrase 'nad ustawą', indicating the subject of the vote taking place.