Bürgerliches Gesetzbuch
In 1893 he was appointed Secretary of State of the Reichsjustizamt, and he remained in this position under the changing chancellorship of Leo von Caprivi, Chlodwig, Prince of Hohenlohe-Schillingsfürst, Bernhard von Bülow and Theobald von Bethmann-Hollweg until 1909. Nieberding coordinated the elaboration of a new German civil code, the Bürgerliches Gesetzbuch (BGB), the associated Commercial law (Handelsgesetzbuch) and the codes of criminal law and criminal and civil procedure; thus he was responsible for the standardisation of German law after the Unification of Germany.