A person's HELP balance at a particular time is worked out by reference to:

  (a)   the HELP loan limit in relation to the person at the time; and

  (b)   the amounts of HECS - HELP assistance, FEE - HELP assistance, VET FEE - HELP assistance and VET student loans that that have previously been payable to the person; and

  (c)   amounts previously re - credited to the person's HELP balance (including repayments of HELP debts).