 As part of the code the "Zollverein" introduce the "Zollpfund" (Customs Pound) which was defined to be exactly 500 g and which could be split into 30 'lot'.This unit was used for inter-state movement of goods, but was not applied in all states for internal use.Although the Zollverein collapsed after the Austro-Prussian War of 1866, the metric system became the official system of measurement in the newly formed German Empire in 1872 and of Austria in 1875.