In any case where a person had executed in favor of the United States of America an option for the acquisition of servitudes or flowage rights in any of the spillways in the state and dies prior to the execution of the formal deeds, the administrator, executor, or curator, after having first obtained an order of court authorizing him to sign the deed, may effectuate such option, by deed in the form provided by the United States of America.
La. R.S. § 9:1511