Notwithstanding the provisions of the second paragraph of l’article 761, an allowance of 20% is made on the real market value of the property constituting the main residence of the deceased on the day of death when, on the same date, this property is also occupied as a main residence by the surviving spouse, by the partner linked to the deceased by a civil solidarity pact or by one or more minors or protected adult children of the deceased, his or her spouse or partner.
These provisions apply under the same conditions when the adult children of the deceased, his or her spouse or partner are unable to work under normal conditions of profitability, due to a physical or mental disability, congenital or acquired within the meaning of II of Article 779.