The County Executive shall, with reasonable promptness furnish to any resident of the County, on demand, a certified copy of any book, account or paper kept by any board, commission, office or department of the County government, or such part thereof as may be demanded, except criminal investigation reports, and individual personnel records, upon payment in advance by the person demanding the same of a reasonable fee to be prescribed by resolution of the County Council. This section shall not apply to any papers prepared by or for use of counsel in any action or proceeding to which the County is a party or for use in any investigation authorized by or under this Charter.