; and (ii) have one year from the date of the expiration of the 180-day period described in paragraph (2) to negotiate an agreement on the historical-traditional use boundary. (B) Director level If an agreement is not reached under subparagraph (A), then the governing body of the qualified land grant-merced and the Chief of the Forest Service or the Director of the Bureau of Land Management, or other similarly situated authority, as appropriate, shall have one additional year to negotiate an agreement on the historical-traditional use boundary. (C) Departmental level If an agreement is not reached under subparagraph (B), then the governing body of the qualified land grant-merced and the Secretary concerned shall have one additional year to negotiate an agreement on the historical-traditional use boundary. (4) Failure of negotiation process If the negotiation process described in paragraph (3) does not result in an agreement between the governing body of the qualified land grant-merced and the Secretary concerned, or, if requested by the governing body of the qualified land-grant merced at any time during the negotiation process described in paragraph (3), then the Secretary concerned shall, not later than 90 days after the expiration of the time period described in paragraph (3)(C), issue a final decision on the historical-traditional use boundary of the land grant-merced. (5) Federal court Any decision made under paragraph (4) shall be appealable to Federal court, and the court shall hear the case de novo. Both parties shall submit to the court evidence supporting such party’s interpretation of the historical-traditional use boundaries. The court shall determine the historic-traditional boundary of the land grant-merced that most accurately represents the area of historical and traditional use. (6) Management of qualified land grant-merced Management of lands located within the patent boundary of a qualified land grant-merced shall not be affected during the negotiation process under paragraphs (3) or (4) or the