Useful links
List of banks supporting SEPA payments:
http://epc.cbnet.info/docs/SEPA_Credit_Transfer.pdf
You have account number in national format only and need to find or verify its IBAN/SWIFT number?
Use www.iban-rechner.de (SWIFT is called BIC on this website)
Information provided by ČNB regarding payments:
Office of the Financial Arbiter for out-of-court settlements of disputes:
Hegerova 1581/69, 110 00 Praha 1
Authority carrying our supervision of financial institutions:
Česká národní banka, Na Příkopě 28, 115 03 Praha