; or (B) offer an alternative historical-traditional use boundary using geographical and historical evidence supported by maps and documentation. (2) Alternative historical-traditional use boundary If an alternative historical-traditional use boundary is offered by the Forest Supervisor or Field Manager, or other similarly situated authority, as appropriate, of the Secretary concerned under paragraph (1)(B), then the governing body of the qualified land grant-merced shall have 180 days to accept the alternative historical-traditional use boundary. (3) Step-by-step negotiation process to determine historic-traditional use boundaries of a land grant-merced If an alternative historical-traditional use boundary is offered by the Forest Supervisor or Field Manager, or other similarly situated authority, as appropriate, of the Secretary concerned under paragraph (1)(B) and the governing body of the qualified land grant-merced does not accept the boundary within the 180-day period described in paragraph (2), then a negotiation process shall take place as follows: (A) Regional level The governing body of the qualified land grant-merced and the Regional Forester or State Director, or other similarly situated authority, as appropriate, shall— (i) jointly notify the relevant Forest Supervisor or Field Manager, or other similarly situated authority, as appropriate, of the Secretary concerned that negotiations have been elevated to the regional level