(a) Keep its insurable properties adequately insured at all times by financially sound and reputable insurers; maintain such other insurance, to such extent and against such risks, including fire and other risks insured against by extended coverage, as is customary with companies in the same or similar businesses operating in the same or similar locations, including comprehensive general liability insurance against claims for bodily injury or death or property damage occurring upon, in, about or in connection with the use of any properties owned, occupied or controlled by it; and maintain such other insurance as may be required by law.