When preliminary proof of loss is required by a policy, the insured is not bound to give such proof as would be necessary in a court of justice; but it is sufficient for him to give the best evidence in his power at the time.
Ca. Ins. Code § 552
When preliminary proof of loss is required by a policy, the insured is not bound to give such proof as would be necessary in a court of justice; but it is sufficient for him to give the best evidence in his power at the time.
Ca. Ins. Code § 552