No present or former employee or elected official of the City shall intentionally and without authorization by the City Manager inspect or divulge any information acquired by him or her of the affairs of any business entity, or information regarding the tax schedules, returns, or reports required to be filed with the City or other proper officer, or any information produced by a hearing or investigation, insofar as the information may have to do with the affairs of the entity’s business. This prohibition does not extend to information required in prosecutions for making false reports or returns for taxation, or any other infraction of the tax laws, or in any way made a matter of public record, nor does it preclude furnishing any business entity or the business entity’s properly authorized agent with information respecting his or her own return. Further, this prohibition does not preclude any employee of the City from testifying in any court, or from introducing as evidence returns or reports filed with the City, in an action for violation of the City’s laws or in any action challenging the City’s laws.