PEN A new dedicated "CCI number" field will be added for several payment methods: Bank transfers, Interbank, Scotiabank Peru, and Banco de Credito. Please update your 20-digit "CCI number" to continue using these payment methods seamlessly. 4. ARS A new validation rule (numbers 0-9 only, length: 22) will be applied to the "CBU/CVU" field for all ARS payment methods that include it.