Every four years, a common budget, especially in the financial dealings with the German Empire, was made, even if it interfered with the local and national operations of the two Duchies.
Iga nelja aasta tagant koostati ühine eelarve, eriti rahalistes tehingutes Saksa keisririigiga, isegi kui see segas kahe hertsogkonna kohalikke ja riiklikke operatsioone.