; and (II) supporting materials and information for the allegations described under subclause (I). (B) Timeliness The Security Executive Agent shall ensure that, on average, review of each appeal filed under this subsection is completed not later than 180 days after the date on which the appeal is filed. (3) Decisions and remands (A) In general If, in the course of reviewing under this subsection a decision of an agency under subsection (b), the panel established under paragraph (1) decides that there is sufficient evidence of a violation of section 801A(b) to merit a new hearing or decides that the decision of the agency was the result of an improperly conducted review under subsection (b), the panel shall vacate the decision made under subsection (b) and remand to the agency by which the covered person shall be eligible for a new appeal under subsection (b). (B) Written decisions Each decision of the panel established under paragraph (1) shall be in writing and contain a justification of the decision. (C) Consistency The panel under paragraph (1) shall ensure that each decision of the panel is consistent with the interests of national security and applicable provisions of law. (D) Finality (i) In general Except as provided in clause (ii), each decision of the panel established under paragraph (1) shall be final. (ii) Overturn The Security Executive Agent may overturn a decision of the panel if, not later than 30 days after the date on which the panel issues the decision, the Security Executive Agent personally exercises the authority granted by this clause to overturn such decision. (E) Nature of remands In remanding a decision under subparagraph (A), the panel established under paragraph (1) may not direct the outcome of any further appeal under subsection (b). (F) Notice of decisions For each decision of the panel established under paragraph (1) regarding a covered person, the Security Executive Agent shall provide the covered person with a written notice of the decision that includes a detailed description