(1) The amount of FHA supplement for a person for a qualifying period is:
(a) if the person's rate of farm household allowance at any time in the qualifying period is calculated by reference to the person being a member of a couple--$3,000; or
(b) otherwise--$3,600.
(2) If:
(a) an amount of FHA supplement is paid to a person; and
(b) the amount should not have been paid to the person;
the amount is not a debt due to the Commonwealth.
(3) Subsection (2) does not apply to an amount of FHA supplement obtained by fraud.