...We expect Cuscal Ltd. to remain a systemically important component of Australia's payments infrastructure. The company has an embedded role as a payments services provider to Australian authorized deposit-taking institutions (ADIs) and continues to develop its business model to keep up with the fast-changing Australian payments sector. We factor in a moderate likelihood of extraordinary support from the Australian government into our rating on Cuscal. Strong capital levels and good risk management capabilities offset high operational risk exposure. Cuscal's high-volume switching and settlement services have material operational risk, in our view. However, we believe the company's experienced management team is capable of managing the operational risk. Moreover, Cuscal's strong capital levels could absorb losses, if required. Contractual deposits mitigate counterparty credit risk and provide a stable funding base. Cuscal's customers are contractually required to hold security settlement...