Receipt by the Lender of certificate(s) of insurance to evidence a fully paid policy or policies of comprehensive public liability insurance naming Lender as an additional insured thereunder in an amount not less than Two Million and No/100 Dollars ($2,000,000.00) in the aggregate with not less than One Million and No/100 Dollars ($1,000.000.00) per occurrence; in any event, the amount of all insurance shall be sufficient to prevent any co-insurance contribution on any loss, with each policy providing for a thirty (30) day prior written notice of cancellation, amendment or alteration.