1396. Everything may be sold which is not excluded from being an object of commerce by its nature or destination or by special provision of law.
1397. The sale of a thing which does not belong to the seller is null, subject to the exceptions declared in the three next following articles. The buyer may recover damages from the seller, if he or she were ignorant that the thing sold did not belong to the seller.
1398. The sale is valid if it be a commercial matter, or if the seller afterwards become owner of the thing.
1399. If a thing lost or stolen be bought in good faith in a fair or market, or at a public sale, or from a trader dealing in similar articles, the owner cannot reclaim it, without reimbursing to the purchaser the price he or she has paid.
1400. If the thing lost or stolen be sold under the authority of law, it cannot be reclaimed.