Each licensed surplus line broker shall keep in the broker's office a full and true record of each surplus line contract procured by the broker, including a copy of the daily report, if any, showing such of the following items as may be applicable: Amount of the insurance; gross premiums charged; return premium paid, if any; rate of premium charged upon the several items of property; effective date of the contract and the terms thereof; name and address of the insurer; name and address of the insured; brief general description of property insured and where located; other information as may be required by the commissioner. The record shall at all times be open to examination by the commissioner.