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Core Viewpoint - The article discusses the recent trend of accounting firms in China, specifically the voluntary cancellation of their securities service business registrations, highlighting the increasing regulatory scrutiny in the auditing industry [2][5]. Group 1: Company Actions - Beijing Yatai International Accounting Firm and Zhongtianyun Accounting Firm have voluntarily applied to cancel their registrations for securities service business [2]. - This year, a total of five accounting firms have canceled their securities service business registrations, indicating a significant trend in the industry [3]. Group 2: Regulatory Environment - The Ministry of Finance and the China Securities Regulatory Commission revised the "Management Measures for the Registration of Accounting Firms Engaging in Securities Services," aiming to establish a dynamic and orderly registration management system [6]. - The revised measures include a new chapter on "registration verification, announcement, and cancellation," specifying conditions under which firms may have their registrations canceled [6]. Group 3: Industry Implications - The cancellation of registrations does not permanently exclude firms from the securities service sector, as they can reapply for registration in the future [7]. - Regulatory bodies have intensified their scrutiny and enforcement actions against accounting firms, with significant penalties imposed on multiple firms for violations [7].