11.8 The Bank may from time to time expressly agree (subject to any specific requirements from time to time prescribed by the Bank) any notice or communication from the Customer to the Bank (including those relating to the change of the Correspondence Address, the Consolidated Statement Address, contact numbers or other details of the Customer) to be given other than in accordance with Clause 11.7. If the Customer chooses to give notice or communication by such other means to the Bank, the Bank is authorized to act on any notice or communication so given by any Authorized Person singly so long as it believes in good faith that such notice or communication has been given by an Authorized Person.