N.Y. Uniform Commercial Code § 2-601 (2026)

Section 2--601. Buyer's Rights on Improper Delivery.
  Subject to the provisions of this Article on breach in installment
contracts (Section 2--612) and unless otherwise agreed under the
sections on contractual limitations of remedy (Sections 2--718 and
2--719), if the goods or the tender of delivery fail in any respect to
conform to the contract, the buyer may
       (a) reject the whole; or
       (b) accept the whole; or
       (c) accept any commercial unit or units and reject the rest.