They may, however, stipulate that on the dissolution of the marriage by the death of one of them, the surviving spouse shall have the option of acquiring or, as the case may be, having attributed to him or her in the partition certain personal property of the predeceased, on condition that it is taken into account in the estate, according to the value it has on the day on which this option is exercised.
The stipulation may provide that the surviving spouse who exercises this option may require the heirs to grant him or her a lease on the property in which the allocated or acquired business is operated.