林地转包合同这样写有效吗？？？ 有林地转让合同                转让人  XXX  【下为甲方】  身份证号码：                                              接收方   XXX   【下为乙方】  身份证号码：           充分协商达成以下有林地转让条款：                                                   一.甲方同意将防风林南所持有有林地XXX多少亩转让给乙方。                                                    二.  一次性转让金额为XXXX万元
  三.转让期限为     XXXXN年XX   月XX日起至XXXX年XX月XX日   止，到期后此合同自动失效。  四  有林地转让后涉及的当地管理政策问题以及土地使用变动事宜由乙方负责与甲方无关。                                                     五.甲方必须提供此地为耕地的证明。                                                     六.此合同未尽事宜双方协议解决。                                                      七.此合同签定之日起实行。                                                              甲方：xx  xx                                                                                                                                                                             乙方：XX                    XX                                                                    XXXX年XX月XX日

你好，
双方鉴后就生效。