_:vb6941985 "2016, Marco J. Jimenez, Contract Law: A Case and Problem Based Approach (Aspen Casebook Series), New York: Wolters Kluwer, \u2192ISBN, page 1192:"@en . _:vb6941985 "The mere delegation of a performance imposes no duty on the delegate to perform. If the delegate performs the duty, the duty is discharged. If the delegate does not perform the duty, the duty is not discharged, but any claim of the obligee for breach is against the delegating party and not against the delegate."@en .