33Amount payable by aided person to Commissioner

1. At any time, the total amount payable to the Commissioner by an aided person in respect of a grant is—

2. the amount of interim repayments outstanding (if any); and
3. if the proceedings have concluded, the amount of repayment payable (if any), determined in accordance with section 21; and
5. the amount of any expense reasonably incurred by the Commissioner for the purpose of enforcing or securing a debt payable to the Commissioner by the aided person, but only if the expense is of a kind specified by the regulations for the purposes of this paragraph.