18.—(1) The Organisation may waive any privilege or immunity granted under this Order, except any privilege or immunity granted to a representative of a Member Country or a Requesting Country under article 11 or article 14.
(2) The Member Country or Requesting Country (as the case may be) may waive any privilege or immunity granted to their representative under article 11 or 14.
(3) Waiver of immunity from jurisdiction in respect of civil or administrative proceedings shall not be held to imply waiver of immunity in respect of the execution of the judgment, for which a separate waiver shall be necessary.