Each licensee shall cause each insurance policy obtained by it to provide that the insurance company waives all right of recovery by way of subrogation against the county, cities, cable television commission and in their capacities as such the officers, agents and employees thereof in connection with any damage covered by any policy, whether for non-payment of premium, or otherwise, and whether at the request of the licensee or for other reasons, except after thirty (30) calendar days advance written notice mailed by the insurer to the clerk of the board of directors of the Sacramento metro-politan cable television commission, and that such notice shall be transmitted postage prepaid, with return receipt requested, and addressed to the Clerk at 1010 8th Street, Sacramento, California 95814. (Prior code § 20.17.1606)