The Estates, which had exercised great authority under the Pomeranian dukes, were unable to exert any significant influence on Sweden, even though the Constitution of 1663 had provided them with a veto in as far as Pomerania was affected.
Seisused, kellel olid Pommeri hertsogite valitsemise all olnud suured volitused, ei olnud suutelised Rootsile märkimisväärset mõju avaldama: olgugi, et 1663. aasta põhiseadus oli andnud neile Pommerit puudutavates asjades vetoõiguse.