31. On the filing of a deed of conveyance made by the grantee relating to a land under concession, or part of that land, the Minister shall substitute the name of the assignee for that of the grantee in the register contemplated in section 4.
The preceding paragraph also applies upon the filing of a deed relating to a judicial sale or a sale for real estate taxes pertaining to such a land or relating to a transmission of rights owing to the death of the grantee.