铁路电子客票公司名称写错了，如何换开发票？

Group 1 - The article discusses the process for railway transportation enterprises to issue red electronic invoices after confirmation from the buyer, emphasizing the importance of the confirmation document for VAT deductions [4][6][8] - It outlines the steps for buyers to obtain and exchange electronic invoices through the 12306 app, highlighting that electronic invoices can only be exchanged up to three times [8][10][12] - The article provides a reminder for users to carefully fill in invoice information to avoid errors, as incorrect information can complicate reimbursement processes [8][10] Group 2 - It mentions that general taxpayers can claim VAT deductions after obtaining the railway electronic ticket, and provides guidance on what to do if there are errors in the ticket information [6][8] - The article includes a note on the tax treatment of advertising and promotional expenses, indicating that certain limits apply based on the company's sales revenue [14][16][18] - It references specific regulations regarding the tax treatment of advertising expenses for certain industries, such as cosmetics and pharmaceuticals, allowing deductions up to 30% of annual sales revenue [16][18][20]