In June 2022, the General Office of the Central Committee of the Communist Party of China (CPC) issued the Rules of Procedure for Dispatched Offices of Disciplinary Inspection and Supervision Organs, which pointed out that the relevant departments of the dispatched offices should guide and coordinate the cooperation between the dispatched offices and the local disciplinary inspection commission. In March 2021, with the approval of the Central Commission for Discipline Inspection and the State Supervision Commission, the Discipline Inspection and Supervision Group of the Central Commission for Discipline Inspection and the State Supervision Commission stationed in the State Administration of Taxation, and the Nanjing Municipal Commission for Discipline Inspection and Supervision Commission of Jiangsu Province, reviewed and investigated Gao Ping, the former member of the Party Committee and the chief accountant of the Shandong Provincial Taxation Bureau, who was suspected of serious violations of discipline and law. In September of the same year, Gao Ping was expelled from the Party and punished for public service, and her suspected crime was transferred to the judicial authorities for review and prosecution according to law. In practice, how to give play to the advantages of the joint case handling system of "offices, groups and places" to promote the review and investigation work with high quality? The reporter interviewed the relevant staff of the discipline inspection and supervision organ. Overall coordination, complementary advantages, linkage and efficient promotion of the review and investigation work "During the period when Gao Ping was responsible for and in charge of the work of the Information Center, his relatives had a large amount of capital exchanges with relevant suppliers..." In June 2020, the Discipline Inspection and Supervision Team of the State Administration of Taxation received the clues about the economic exchanges between Gao Ping's relatives and the contractors of the informatization construction project of the State Administration of Taxation of Shandong Province handed over by the National Audit Office. "We timely learned about the process and background of the audit findings from the audit institution, comprehensively studied and decided to formulate the preliminary audit work plan, inquired about the information of relevant personnel involved, and immediately reported to the Third Supervision and Inspection Office of the Central Commission for Discipline Inspection and the State Supervision Commission for guidance after finding important problems and evidence." Xie Guanghui, deputy head of the discipline inspection and supervision team of the State Administration of Taxation, told reporters. Through repeated analysis and comparison of information, the discipline inspection and supervision team stationed in the State Administration of Taxation cleared up Gao Ping's family property and the whereabouts of relevant funds by going to many places in Shandong Province to carry out peripheral investigation and evidence collection. "Without alerting the people involved, we initially found out the outline of Gao Ping's serious violations and criminal tactics, and clearly met the conditions for supervision and filing." Xie Guanghui said. In view of Gao Ping's long working time in the tax system of Shandong Province, extensive contacts, deep roots, large amount of cases involved, and complicated problems of suspected violations of discipline and law, in order to reduce uncertainties and ensure the safety of handling cases, the Discipline Inspection and Supervision Team of the State Administration of Taxation and the Jiangsu Provincial Commission for Discipline Inspection agreed to assign Gao Ping's related issues to the Nanjing Municipal Commission for Discipline Inspection through the Jiangsu Provincial Commission for Discipline Inspection. The Supervision Committee of Jiangsu Provincial Commission for Discipline Inspection accelerated the examination and approval of procedures such as detaining and bringing people, assisting in investigation in other places, and jurisdiction, creating favorable conditions for the promotion of the project. The Nanjing Municipal Commission for Discipline Inspection and the Supervision Commission transferred competent personnel to complete the preliminary verification and retention approval. Gao Ping's violations and crimes involve a wide range of areas and are highly professional. The person in charge of the discipline inspection and supervision team of the State Administration of Taxation and the relevant office of the Nanjing Municipal Commission for Discipline Inspection jointly served as the deputy leader of the project team. The local commission for discipline inspection and the discipline inspection cadres of the tax system jointly participated in the project work, held regular project scheduling meetings, studied and formulated work measures, insisted on the joint investigation of violations of discipline and law, and ensured the smooth progress of the project work. "The review and investigation work can always be efficient and stable, and the key is to complement the advantages of 'offices, groups and places' and work together." Tian Yu, member of the Standing Committee of Nanjing Municipal Commission for Discipline Inspection, said. All the project personnel are mixed and organized, and the cadres of the relevant departments of the Commission for Discipline Inspection and the Supervision Commission are experienced in handling cases, giving full play to the conversation