N.Y. Insurance Law § 3461
* § 3461. Notice of claim. (a) For purposes of article fifty-one of this chapter, 11 NYCRR Part 65 and general liability claims, notice of claim to the shared vehicle owner, shared vehicle driver, peer-to-peer car sharing program administrator, or any insurer of the shared vehicle owner, shared vehicle driver, or peer-to-peer car sharing program administrator shall be deemed notice to all appropriate parties and insurers.