By Saloni Sinha ( April 30, 2026, 08:50 GMT | Insight) -- Mastercard repeatedly failed to provide written assurance to Australia's central bank that merchants routing debit payments to cheaper networks would not face higher credit card interchange rates, an Australian Federal Court trial was told Thursday. Questioning Mastercard's Richard Wormald for a third consecutive day, the Australian Competition & Consumer Commission's lawyer, John Sheahan, put to him that when the Reserve Bank of Australia sought written confirmation of that assurance, his failure to provide it was a deliberate omission.Mastercard did not provide a clear written assurance to Australia’s central bank that merchants could route debit payments to cheaper networks without affecting their credit terms despite repeated requests, an Australian Federal Court trial was told on Thursday....
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