((a)) Naval prize commissioners and naval special prize commissioners may not receive compensation for their services in prize causes other than that to which they are entitled as officers of the Navy.

((b)) Prize commissioners and special prize commissioners, except naval prize commissioners and naval special prize commissioners, are entitled to just and suitable compensation for their services in prize causes. The amount of compensation in each cause shall be determined by the court and allowed as costs.

((c)) Annually, on the anniversary of his appointment, each prize commissioner and special prize commissioner, except a naval prize commissioner or a naval special prize commissioner, shall submit to the Attorney General an account of all amounts received for his services in prize causes within the previous year. Of the amounts reported, each such commissioner may retain not more than $3,000, which is in full satisfaction for all his services in prize causes for that year. He shall pay any excess over that amount into the Treasury.