Notice of renewal premiums of property or casualty policy

At least thirty (30) days, seven (7) days in the case of a policy with a policy period of thirty (30) days or less, before the end of the policy period of a property or casualty insurance policy, the insurer shall mail or deliver to the named insured, at the last known address of the named insured, notice of the renewal premium or a bill for the renewal premium and the insurer shall mail or deliver to its agent, if any, a notice of the amount and due date of the renewal premium. In order to comply with this requirement, the insurer may extend the period of coverage of the current policy at the expiring premium.