(1)Non-compliance with a warranty is excused when, by reason of a change of circumstances, the warranty ceases to be applicable to the circumstances of the contract, or when compliance with the warranty is rendered unlawful by any subsequent law.
(2)Where a warranty is broken, the assured cannot avail himself of the defence that the breach has been remedied, and the warranty complied with before loss.
(3)A breach of warranty may be waived by the insurer.