Task: Translation
Input (English): Accordingly, the Commission refused to put up with the fact that both European banks, the ECB and the EIB, contested the right of OLAF to include these two institutions in its investigations, citing their independent status.
Output (Spanish): Por esto, la Comisión no admitió que los dos bancos europeos, el BCE y el BEI, discutiesen el derecho de la OLAF a investigar también ambas instituciones, apelando a su independencia.