; (2) the Board of Veterans Appeals identifies a clear and unmistakable error on the part of the agency of original jurisdiction; or (3) a law or regulation enacted after the date of the denial of the original claim permits the veteran to bring such supplemental claim. ; (5) in section 5109A, by adding at the end the following new subsection: (f) In this section, the term clear and unmistakable error includes, with respect to a decision by the Secretary, any of the following: (1) Any error of law, fact, or application of law to fact— (A) that is manifest on the face of such decision; and (B) affected the outcome of such decision. (2) The misinterpretation or misapplication of a statute, regardless of whether such decision otherwise complies with regulations issued by the Secretary in effect as of the date of such decision. (3) The misinterpretation or misapplication of an unambiguous regulation, regardless of whether such decision otherwise complies with the regulations described in paragraph (2). ; and (6) by striking section 5109B and inserting the following new section 5109B: 5109B. Expedited treatment of returned and remanded claims (a) In general The Secretary shall take such actions as may be necessary to provide for the expeditious treatment by the Veterans Benefits Administration of any claim that is— (1) returned by a higher-level adjudicator under section 5104B of this title; or (2) remanded by the Board of Veterans' Appeals. (b) Deadline (1) Except as provided in paragraph (2), with respect to any claim described in subsection (a), the Secretary shall take the actions under such subsection not later than 90 days after the date on which— (A) a higher-level adjudicator returned such claim