Fide-commissary substitution

(1) The testamentary disposition whereby any heir or legatee is bound to preserve the inheritance or the legacy which on his death is to go to a further beneficiary is called the fide-commissary substitution or fidei-commissum and such heir or legatee is called fiduciary and such further beneficiary shall be called fideicommissarius. (2) It shall not be lawful to make a fide-commissary substitution in more than one degree.