Art. 68 CISG
The risk in respect of goods sold in transit passes to the buyer from the time of the conclusion of the contract. However, if the circumstances so indicate, the risk is assumed by the buyer from the time the goods were handed over to the carrier who issued the documents embodying the contract of carriage. Nevertheless, if at the time of the conclusion of the contract of sale the seller knew or ought to have known that the goods had been lost or damaged and did not disclose this to the buyer, the loss or damage is at the risk of the seller.
The Secretariat Commentary on Art. 80 of the 1978 New York Draft, predecessor to Art. 68 CISG, gives insight into the drafters' unterstanding on the eve of the 1980 Vienna Diplomatic Conference.
Overview of case law on Art. 68 CISG: UNCITRAL Digest
The UNCITRAL Digest on the CISG can be used as a starting point to discover the relevant case law on this article.