Comparative law notes
The difference here is that the German concept of Verpflichtungsklage arises only in an administrative context.
Verpflichtungsklage
Substantiv
partial
mandamus
noun
Definitions of mandamus
a judicial writ issued as a command to a legislative body, an inferior court or a government official ordering the institution or person to perform a public or statutory duty
Unless necessary to enforce its jurisdiction, the court of appeals has no jurisdiction to issue a writ of mandamus against the municipal court.