If an insurer decides not to renew a motor vehicle insurance policy, the insurer must provide a reason for doing so. The reason for doing so may be given to the insured with a notice of nonrenewal, but in no case may be given less than:

a. 15 days prior to the expiration of the policy

b. 30 days prior to the expiration of the policy

c. 10 days prior to the expiration of the policy

d. 20 days prior to the expiration of the policy

Answer: a. 15 days prior to the expiration of the policy