The arms were approved by the Bavarian State Ministry of the Interior in 1924 and go back to a seal from 1538, but this old seal had a different composition, bearing not only these three charges but also the Palatine Lion. The seal was also quarterly, that is, the field was divided both horizontally and vertically into four smaller fields. In 1705, the Palatine Lion was dropped from the seals when the Counts Palatine ceased to be landholders here and the Bishopric of Worms took over completely.