73.2. The recovery of legal aid costs is prescribed upon the expiry of three years from the time when, according to the regulations, repayment thereof becomes exigible. In cases of bad faith, the recovery of legal aid costs is prescribed upon the expiry of three years from the date on which the recoverability of the costs becomes known to the director general, but not later than 10 years after the date on which repayment would otherwise have been exigible.