Section 475A.420 - Authority to investigate, discipline licensees(1) Notwithstanding the lapse, suspension or revocation of a license issued under ORS 475A.210 to 475A.722, the Oregon Health Authority may: (a) Proceed with any investigation of, or any action or disciplinary proceeding against, the person who held the license; or(b) Revise or render void an order suspending or revoking the license.(2) In cases involving the proposed denial of a license issued under ORS 475A.210 to 475A.722, the applicant for licensure may not withdraw the applicant's application.