(1) Cost reports and final audit reports filed by the contractor shall be subject to public disclosure pursuant to chapter 42.56 RCW.

(2) Subsection (1) of this section does not prevent a contractor from having access to its own records or from authorizing an agent or designee to have access to the contractor's records.

(3) Regardless of whether any document or report submitted to the department pursuant to this chapter is subject to public disclosure, copies of such documents or reports shall be provided by the department, upon written request, to the legislature and to federal, state, or local agencies or law enforcement officials who have an official interest in the contents thereof.