<xs:simpleTypename="BusinessCustomerNumber"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:annotation><xs:documentationxml:lang="de"> Interne Nummer des Köufers beim Hersteller</xs:documentation><xs:documentationxml:lang="en"> Internal number of the buyer at the manufacturer</xs:documentation></xs:annotation><xs:restrictionbase="xs:string"><xs:maxLengthvalue="17"/></xs:restriction></xs:simpleType>