In terms of instructing an employee or former employee of the manner
in which to respond to a demand, the Associate Solicitor, Regional
Solicitor, or Associate Regional Solicitor, whichever is applicable,
shall follow the instructions of the appropriate Deputy Solicitor of
Labor. No employee or former employee of the Department of Labor shall,
in response to a demand of a court or other authority, produce any
material contained in the files of the Department or disclose any
information relating to material contained in the files of the
Department, or disclose any information or produce any material acquired
as part of the performance of his official duties or because of his
official status without approval of the appropriate Deputy Solicitor of
Labor.