Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The Bundessozialgericht is federal court of appeals for social security law , cases about tax and customs law are decided by the " Finanzgerichte " ( Finance Courts ) , and lastly by the Bundesfinanzhof .

However , cases concerning social security law belong to the jurisdiction of the " Sozialgerichte " ( Social Courts ) with the Bundessozialgericht as federal court of appeals , and cases of tax and customs law are decided by the " Finanzgerichte " ( Finance Courts ) , and , ultimately , by the Bundesfinanzhof .