Group 1 - The article emphasizes the importance of the "National Individual Business Service Month" in September 2025, providing essential policies and tax operation points for individual businesses to support their establishment and development [4] - Previous articles have covered common preferential policies for individual businesses and the declaration processes for value-added tax and personal income tax, with this issue focusing on answering common operational questions [5] Group 2 - Individual businesses can receive notifications from the tax authority through electronic delivery after signing the "Tax Document Electronic Delivery Confirmation," which has the same legal effect as other delivery methods [6] - To apply for digital invoices online, taxpayers must log into the electronic tax bureau and navigate to the invoice application section, following the necessary steps to submit their requests [7][9] - Taxpayers can check their tax obligations and deadlines through the "Tax Matters Notification" issued by the tax authority, or by querying their tax recognition information on the electronic tax bureau [11] Group 3 - The article outlines the process for issuing tax payment certificates, including options for format and the necessary steps for querying and issuing these certificates [13][19] - If a taxpayer needs to correct submitted tax declaration data, they can do so through the electronic tax bureau, but must adhere to specific rules regarding full corrections or cancellations [23][25] - Taxpayers can track the progress and results of their tax-related matters through the electronic tax bureau, allowing them to view detailed information about their transactions [27][30] Group 4 - In cases of issuing incorrect invoices, taxpayers can issue red invoices, provided they meet the necessary confirmation status requirements [32]