In the case of forced sale of immovables, or any other lawful alienation of the property comprised in a substitution, and in the case of redemption of rents or capital sums, the institute, or the testamentary executors authorised to administer in his or her place, are bound to invest the price, in the interest of the substitutes, with the consent of all parties interested; or upon the refusal of such parties, the investment is made under judicial authorisation, obtained after due notice to them being given.