Core Viewpoint - The article provides a step-by-step guide for taxpayers on how to correct or void their monthly (quarterly) business income tax declarations using the Natural Person Electronic Tax Bureau (Web version) [2][3][4]. Summary by Sections Introduction - The article aims to assist taxpayers in understanding the operational processes of the Natural Person Electronic Tax Bureau through a video series [2]. Step-by-Step Guide - Step 1: Log in to the Natural Person Electronic Tax Bureau using the personal income tax app or password [2]. - Step 2: Navigate to "Query" and select "Declaration Query (Correction/Void Declaration)" [2]. - Step 3: Click on "Completed" and then "View" to access the operation interface [3]. - Step 4: Click "Modify" to enter the "Input Investment Unit Information" screen and proceed [3]. - Step 5: Modify data in the "Input Tax Calculation Information" screen and continue [3]. - Step 6: In the "Input Tax Exemption Amount" screen, read the prompts and proceed [3]. - Step 7: Confirm the declaration information in the "Confirm Declaration Information" screen and finalize the correction [3]. - Step 8: If the correction period has been declared but not paid, or if the taxable amount is zero, the declaration can be voided directly [4]. Conclusion - The article encourages taxpayers to learn the correction process and invites them to watch the instructional video for further assistance [4].