Research On The Management Of Tax Data Quality After Tax Data Concentrated

China Tax Administration Information System version 2.0 (The following are referred to as CTAIS V2.0 for short) provincial concentration is completely and accurately to transfer the production and business data of all the services of the whole province, through computer networks, to the provincial-leveled data-processing platform, to be stored, handled and processed; at the same time, all the business logic and all the management control can be fulfilled ,and the corresponding results can be output to all the operational service branches to meet their business applications and to provide appropriate services to external systems. However, after the main tax business system is centralized at the provincial level, how to improve the quality of the data revenue management, is not just an important topic before the leaders, but also the basic premise of how to complete the tax revenue data deep -leveled application.At present, the methods of the Internal Revenue Service tax data quality's management of all levels of National Tax Bureaus vary, but most of them are to strengthen the tax revenue data quality's inspection and assessment by establishing data quality assessment system and paying great attention to internal personnel's management. Therefore, from one of the management science points of view - "the process management", the current tax data quality management focused on the process afterwards, and neglect the prevention in advance and the research of the treatment's measures during the matter. After CTAIS V2.0 provincial concentration, each region lacks the unified standards to the tax revenue data quality control system construction, also lacks systematic planning, ignoring the function of the data quality control departments. The author of this article participated in the implementation of the Internal Revenue Service Dezhou CTAIS V2.0 provincial concentration and has a wealth of system maintenance and data quality management experience. Before and after system and data provincial concentration, Dezhou National Tax Bureau always pay great attention to the management of the data's quality, so it is among the best in the entire province's tax revenue data quality assessment. Therefore , according to his working experience during the CTAIS V2.0 provincial concentration, the author combines the theory with practice to research how to increase the revenue data quality management after system and data provincial concentration ,mainly in the following several aspects: How to clean up dirty data in the former system before the provincial concentration; After the provincial concentration ,how to prevent dirty data from the data collection so as to avoid new data quality issues; How to carry out careful maintenance of the data; And also how to improve the data quality management system, etc. The article systematically states the construction process of the revenue data quality management. In the methods of management, the writer puts emphasis on the prevention ahead of time, the change of the idea of the tax data quality management, the establishment and improvement of tax data quality management system and the practice of the tax data quality management throughout the whole process of the tax collection and management.At present, there are many provinces'(municipalities')National Tax Bureaus that haven't achieved data and system provincial concentration ,so the research of the issues of data quality management under the provincial concentration has a broader scope of application and has a practical significance, and it also provides the beneficial reference for the provinces (municipalities)that haven't achieved system and data provincial concentration to guarantee the the tax revenue data quality .In particular, during the process of the realization of the system, it has versatility and is worth learning, and it also provides the beneficial exploration for the practice of the theory of the tax revenue data quality management in the national tax system.This article's practical value is stated as follows: It deals with, after the system and data provincial concentration, how to improve data quality and the level of tax data applications to provide valuable data for enhancing the management of tax sources ,to improve the ability of the tax departments'analysis and the level of control of the economy tax sources .And, it can provide a scientific and rational basis for a better guide for all the leaders, so that they can better direct the tax collection and management.