(2) An officer of an administrative unit who, on behalf of or for the purposes of the Territory, incurs, authorises or approves expenditure shall, if the officer is required to comply with a direction given by the head of administration compliance with which would, in the particular case, prevent the officer from exercising all reasonable care to ensure that value for money is obtained, exercise care to the extent possible in the circumstances.
(3) Any such officer shall, if he has reason to believe that, considering the rate of expenditure, any vote is likely to be exceeded, report the matter to the head of administration or an authorised officer.