A claim asserted in an amended pleading is deemed to have been interposed at the time the claims in the original pleading were interposed, unless the original pleading does not give notice of the transactions, occurrences, or series of transactions or occurrences to be proved in the amended pleading.
Catnap, LLC v. Cammeby's Mgt. Co., LLC, NY Slip Op 02309 (2d Dep't March 27, 2019)
Here is the decision.