Section 53.4 - Bank service provider notification(a) A bank service provider is required to notify at least one bank-designated point of contact at each affected banking organization customer as soon as possible when the bank service provider determines that it has experienced a computer-security incident that has materially disrupted or degraded, or is reasonably likely to materially disrupt or degrade, covered services provided to such banking organization for four or more hours.(1) A bank-designated point of contact is an email address, phone number, or any other contact(s), previously provided to the bank service provider by the banking organization customer.(2) If the banking organization customer has not previously provided a bank-designated point of contact, such notification shall be made to the Chief Executive Officer and Chief Information Officer of the banking organization customer, or two individuals of comparable responsibilities, through any reasonable means.(b) The notification requirement in paragraph (a) of this section does not apply to any scheduled maintenance, testing, or software update previously communicated to a banking organization customer.