Section 9 below shall apply to a person holding the office of Judge Advocate General if within 3 months after appointment to that office he gives notice in writing to F1the Treasury that he elects that section 9 shall apply to him.

In the case of a person who holds the office of Judge Advocate General, but to whom section 9 below does not apply, the principal civil service pension scheme shall have effect as if service in that office were employment in the civil service of the State.