Contact Anti-Fraud Office of Catalonia C/ Ribes 1-3, 08013 Barcelona Telephone: +34 935 545 555 Fax: +34 935 545 564bustiaoac@antifrau.cat Public service hours and General Register Monday-Friday: 9:00-14:00 (working days in Barcelona) On 24 and 31 December 2020, the Anti-Fraud Office of Catalonia will remain closed and there will be no attention to the public and presential regiser will not work