(a) The chief administrative law judge of the office may set a fee for a hearing before the office under this subchapter.
(b) The chief administrative law judge of the office shall set the fee in an amount that:
(1) is not less than $250; and
(2) allows the office to recover all or a substantial part of its costs in holding hearings.
(c) The chief administrative law judge of the office by rule may establish a graduated fee scale, increasing the fee in relation to the amount in controversy.
(d) The office may:
(1) assess the fee against the party who does not prevail in the hearing; or
(2) apportion the fee against the parties in an equitable manner.