Louisiana Civil Code Tit. X, Art. 2779. Applicability of the rules governing obligations

In all matters for which no special provision is made in this Title, an onerous annuity contract is governed by the Titles of Obligations in General and Conventional Obligations or Contracts, and when the contract provides for delivery of a thing other than money, it is governed by the Title of Sales. A gratuitous annuity contract is governed by the Title of Donations.