Events of Default and Acceleration of the Notes. (a) The Agent is entitled to, and shall following a demand in writing from a Noteholder (or Noteholders) representing at least 33.33 per cent. of the Adjusted Nominal Amount (such demand may only be validly made by a person who is a Noteholder on the Business Day immediately following the day on which the demand is received by the Agent and shall, if made by several Noteholders, be made by them jointly) or following an instruction given pursuant to Clause 12(d), on behalf of the Noteholders (i) by notice to the Issuer, declare all, but not only some, of the outstanding Notes due and payable together with any other amounts payable under the Finance Documents, immediately or at such later date as the Agent determines, and (ii) exercise any or all of its rights, remedies, powers and discretions under the Finance Documents, if:
