Except in connection with official investigations or proceedings of the borough, whether judicial or administrative, involving taxes due under this chapter, no officer, employee, or agent of the borough may divulge any information disclosed in a report or return filed under this chapter. The prohibition of this section shall not prohibit the preparation and use of statistical summaries of sales tax data that do not disclose the identity of any person filing reports required by this chapter. [Ord. 96-19 §3, 1996. Formerly §3.30.220].