UCC §§2-601, 2-602
○ Buyer can reject goods for any reason, even minor breach, before acceptance, then seller has unconditional right to curt defects before due date and w/in reasonable amount of time after. Id seller does not cure, buyer can rescind/cancel K.
○ After acceptance, buyer can only reject goods (and revoke acceptance) for a material breach (substantial impairment)
○ If made in installments, delivery cannot be refused, unless by one installment being incorrect, the entire purpose is ruined