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["附件"]
["锡林郭勒盟民族事务委员会优化职能职责优化工作流程清单\n（外部事项“减材料、减环节、减时限”）"]
["序号","自治区部门名称","事项名称","事项类型","减材料",null,null,"减环节",null,null,"减时限",null,null,"备注"]
[{"$nulls":4},"是否减材料","精简材料名称","精简材料方式","是否减环节","精简环节名称","现有环节个数","是否减时限","法定办理时限","承诺办理时限"]
[1,"内蒙古自治区民族事务委员会","民族成份变更","行政确认",{"$nulls":4},"审核","3个环节",null,"50个工作日","8个工作日"]