At What Point in Time Must an Insured Meet the Coinsurance

Multiple Choice

At what point in time must an insured meet the coinsurance requirement in a property insurance policy in order to avoid having to pay a portion of the loss?

A) only at the time of loss
B) only at the time when the policy is issued
C) only at the time of policy application
D) both at the time when the policy is issued and at the time of loss