Core Viewpoint - Starting from May 1, 2025, the traffic management department will no longer review paper vehicle sales invoices for applicants who have issued electronic invoices, streamlining the vehicle registration and transfer process [2][3]. Group 1: Electronic Invoicing Process - Taxpayers must log into the electronic tax bureau and navigate to the invoice business section to issue blue vehicle sales invoices [2][3]. - The system allows taxpayers to select the type of invoice and fill in necessary buyer and seller information, including vehicle identification details [4][5]. - Successful issuance of electronic invoices will automatically deliver them to the recipient's digital account [6][7]. Group 2: Specific Business Invoicing - For second-hand vehicle sales, specific businesses such as auction companies and dealerships can issue "Second-hand Vehicle Sales Unified Invoices" through the electronic tax platform [7][8]. - The process involves selecting the invoice type and filling in relevant vehicle and transaction details before confirming the issuance [10][11]. Group 3: Red Invoicing Process - Taxpayers can issue red invoices for previously issued blue vehicle sales invoices, allowing for full or partial redemptions based on actual business needs [15][19]. - The process requires logging into the electronic tax bureau, selecting the red invoice issuance function, and confirming the necessary details [22][24]. Group 4: Red Invoicing for Second-hand Vehicles - Second-hand vehicle businesses can also issue red invoices for previously issued second-hand vehicle sales invoices, following a similar process as outlined for blue invoices [21][25]. - The system allows for the selection of reasons for issuing red invoices and requires confirmation from the buyer in certain cases [26].