10(1)A qualifying member may cancel the exercise of his option by giving the Treasury notice in writing that he no longer wishes it to be exercised.E+W+S+N.I.
(2)No such notice shall have effect if it is given to the Treasury at a time when, in order to comply with the choice made by the qualifying member in exercising his option, the Treasury has entered into an agreement with a third party to use the whole or part of his cash equivalent in a way specified in paragraph 6(2)(a), (b), (c) or (d) above.
(3)A qualifying member who withdraws an application may make another.