InvestmentsTop Global NewsMarketsReal Estate Germany must toughen audit rules after Wirecard scandal: Weidmann By financialnews_rlv83x - July 26, 2020 0 86 Germany must toughen its rules for auditing and accounting to prevent another billion-euro scam like the Wirecard scandal, Bundesbank President Jens Weidmann said in a newspaper interview published on Monday.