Art. 45 CISG
(1) If the seller fails to perform any of his obligations under the contract or this Convention, the buyer may:
(2) The buyer is not deprived of any right he may have to claim damages by exercising his right to other remedies.
(3) No period of grace may be granted to the seller by a court or arbitral tribunal when the buyer resorts to a remedy for breach of contract.
The Secretariat Commentary on Art. 41 of the 1978 New York Draft, predecessor to Art. 45 CISG, gives insight into the drafters' unterstanding on the eve of the 1980 Vienna Diplomatic Conference.
Overview of case law on Art. 45 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.