Core Viewpoint - Beijing Yatai and Zhongtianyun have applied for the cancellation of their securities service business records, indicating a trend of increased regulatory scrutiny in the auditing industry [1][3]. Group 1: Company Actions - Beijing Yatai International Accounting Firm and Zhongtianyun Accounting Firm have voluntarily applied for the cancellation of their securities service business records as of June 24, 2025 [1][2]. - This marks a total of five accounting firms that have canceled their securities service business records within the year [3]. Group 2: Regulatory Environment - The Ministry of Finance and the China Securities Regulatory Commission (CSRC) revised the "Management Measures for the Record of Accounting Firms Engaging in Securities Services," establishing a more dynamic record management system [4]. - The revised measures include a new chapter on "record verification, announcement, and cancellation," specifying that firms may have their records canceled under seven specific circumstances [4]. - The regulatory environment has become increasingly stringent, with significant penalties imposed on firms for violations, including a notable case where Zhongtianyun was fined 288.7 million yuan for issues in its audit reports [3][4].