Where the nature of the debtor’s assets allows, maintenance payments may be replaced, in whole or in part, by the payment of a sum of money to an accredited organisation responsible for granting the child an indexed annuity in return, the relinquishment of usufruct property or the allocation of income-producing assets, under the terms and guarantees set out in the decision, deed or agreement referred to in 1° to 6° of I of Article 373-2-2.