C. The following is added and supersedes any other provision to the contrary:

**Nonrenewal**

If we decide not to renew this policy, we will mail or deliver notice of nonrenewal to the first Named Insured. Nonrenewal will not be effective prior to 30 days after the receipt by the first Named Insured of the notice of nonrenewal. A post office certificate of mailing to the first Named Insured at the last known mailing address will be conclusive proof of receipt of notice on the third calendar day after mailing.

D. With respect to Physical Damage Coverage provided under the Commercial Automobile Coverage Part, we will provide like notice of cancellation or nonrenewal to any loss payee named in the policy.