All returns and information relating to the business of any person required to collect the tax imposed by this chapter and coming into the possession of the Finance Director, his or her agents and employees shall be held confidential. No disclosures thereof shall be made unless ordered by a court of competent jurisdiction except, however, that the Finance Director may furnish the Bureau of Internal Revenue, Treasury Department of the United States, with copies of returns filed. Whoever violates any provision of this section shall be fined not more than $1,000 or imprisoned not more than six months, or both, for each such violation, and shall thereafter be disqualified from acting in any official capacity whatsoever in connection with the assessment or collection of taxes under this chapter.