(1) When a contract of sale is subject to any condition to be fulfilled by the seller, the buyer may waive the condition, or may elect to treat the breach of such condition as a breach of warranty, and not as a ground for treating the contract as repudiated.
(2) Whether a stipulation in a contract of sale is a condition the breach of which may give rise to a right to treat the contract as repudiated, or a warranty the breach of which may give rise to a claim for damages but not to a right to reject the goods and treat the contract as repudiated, depends in each case on the construction of the contract.
(2A) A stipulation may be a condition, though called a warranty in the contract.
(3) When a contract of sale is not severable, and the buyer has accepted the goods, or part thereof, or when the contract is for specific goods the property in which has passed to the buyer, the breach of any condition to be fulfilled by the seller can only be treated as a breach of warranty and not as a ground for rejecting the goods and treating the contract as repudiated, unless there is a term of the contract, express or implied, to that effect.
(4) This section does not affect the case of any condition or warranty, the fulfilment of which is excused by law by reason of impossibility or otherwise.