20 TheOmbudsman must not investigate action taken in respect of appointments or removals, pay, discipline, superannuation or other personnel matters in relation to—
(a)service in any office or employment under a listed authority,
(b)service in any office or employment under the Crown,
(c)service—
(i)in any office or employment; or
(ii)under any contract for services,
in respect of which power to take action, or to determine or approve the action to be taken, in such matters is vested in a listed authority.