(a) No fee shall be charged for disclosure of records pursuant to this part where:

(1) The records are requested by a congressional committee or subcommittee or the General Accounting Office.

(2) The records are requested by an agency of a signatory party.

(3) The records are requested by a court of competent jurisdiction.

(4) The records are requested by a state or local government having jurisdiction thereof.

(b) No fee shall be charged if a record requested is not found or for any record that is totally exempt from disclosure.