[6.1适用范围](6.1%E9%80%82%E7%94%A8%E8%8C%83%E5%9B%B4.md) [6.2手续](6.2%E6%89%8B%E7%BB%AD.md) [6.3审批](6.3%E5%AE%A1%E6%89%B9.md)