双杰电气: 会计政策、会计估计变更及会计差错审批和披露制度（2025年8月）

Core Viewpoint - The document outlines the accounting policies, estimates, and error correction approval and disclosure system of Beijing Shuangjie Electric Co., Ltd, aiming to enhance the relevance, reliability, and completeness of financial reporting and information disclosure [2][11]. Chapter Summaries Chapter 1: General Principles - The purpose of the system is to standardize the application of accounting policies and estimates, improve management of changes, and ensure timely and complete information disclosure [2]. Chapter 2: Scope of Changes - Accounting policy changes refer to alterations in principles, bases, and methods used for accounting recognition, measurement, and reporting [3]. - Consistency in accounting policies is required for similar transactions, with changes allowed only under specific conditions such as legal requirements or improved reliability of information [3][4]. Chapter 3: Handling Changes and Errors - Changes in accounting estimates are based on the latest available information and affect the book value of assets or liabilities [4]. - Major accounting errors, defined as those affecting the reliability of financial statements, must be adjusted in the retained earnings of the earliest period [5][6]. Chapter 4: Approval and Disclosure of Policy Changes - Changes in accounting policies require sufficient evidence of their reasonableness and must be approved by the board of directors, with disclosure obligations to the Shenzhen Stock Exchange [7][8]. Chapter 5: Approval and Disclosure of Estimate Changes - Significant changes in accounting estimates must be reported similarly to policy changes, with specific thresholds for board approval and disclosure [9][10]. Chapter 6: Approval and Disclosure of Major Errors - Major accounting errors must be reported and disclosed following board approval, with specific criteria for when a special audit report is required [10]. Chapter 7: Supplementary Provisions - The system is subject to interpretation by the board of directors and is effective upon approval by the shareholders' meeting [11].