Variation by agreement. Measure of damages. Action constituting ordinary care.

(b) Federal reserve and the Bureau of Consumer Financial Protection regulations and operating circulars, clearinghouse rules, and the like have the effect of agreements under subsection (a) of this section, whether or not specifically assented to by all parties interested in items handled. (c) Action or nonaction approved by this article or pursuant to federal reserve or the Bureau of Consumer Financial Protection regulations or operating circulars is the exercise of ordinary care and, in the absence of special instructions, action or nonaction consistent with clearinghouse rules and the like or with a general banking usage not disapproved by this article, is prima facie the exercise of ordinary care. (d) The specification or approval of certain procedures by this article is not disapproval of other procedures that may be reasonable under the circumstances. (e) The measure of damages for failure to exercise ordinary care in handling an item is the amount of the item reduced by an amount that could not have been realized by the exercise of ordinary care. If there is also bad faith it includes any other damages the party suffered as a proximate consequence. Cited. 4 CA 39.