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    | n | (a) Circulation
    and similar records of any public library in this state which identify 
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    |  | the user of
    library materials are not public records but shall be confidential and 
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    |  | may not be
    disclosed except: 
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    |  | q | (1) To members of
    the library staff in the ordinary course of business; 
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    |  | q | (2) Upon written
    consent of the user of the library materials or the user's 
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    |  | parents or
    guardian if the user is a minor or ward; or 
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    |  | q | (3) Upon
    appropriate court order or subpoena. 
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    | n | (b) Any
    disclosure authorized by subsection (a) of this section or any 
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    |  | unauthorized
    disclosure of materials made confidential by that subsection (a) 
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    |  | does not in any
    way destroy the confidential nature of that material, except for 
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    |  | the purpose for
    which an authorized disclosure is made. A person disclosing 
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    |  | material as
    authorized by subsection (a) of this section is not liable therefor. 
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