(a) The Workers' Compensation Commission is authorized to approve lump-sum attorney's fees for legal services rendered in respect of a claim before the commission.
(b) The lump-sum attorney's fees are allowable notwithstanding that the award of compensation to the injured employee is to be paid on an installment basis.
(c) Lump-sum attorney's fees, if approved by the commission, shall be discounted at the rate provided in § 11-9-804, as that provision may be amended from time to time.