中牟县国税局对重点税源实行“三级二层管理”；旨在规范和完善重点税源监控体系，加强管理，提高监控质量，取得了较好的效果。对重点税源管理，实行“三级二层管理”。即：局领导抓县以上１０户重点企业；相关科所长和税源管理责任人抓本辖区的所有重点税源。局领导班子的每 Zhongmu County Internal Revenue Service implements “three levels and two levels of management” on key tax sources; aims to regulate and improve the monitoring system of key sources of tax revenue, strengthen management and improve the quality of monitoring, and achieve good results. Focus on the management of tax sources, the implementation of “three two-tier management.” Namely: Bureau leadership over the county above the 10 key enterprises; related subjects director and tax source management responsible for grasping all the key tax sources in this area. Bureau leadership every