山西：发票额度调整申请的购销合同，购买方如何确认？操作步骤

Group 1 - The article discusses the process for buyers to confirm sales contracts when the seller needs to issue invoices but the invoice quota is insufficient. Buyers must submit a confirmation through the electronic tax bureau [2][4]. - Buyers can log into the electronic tax bureau APP, navigate to the "Invoice Usage" section, and select "Sales Contract Confirmation" to access the necessary functions [4][6]. - Upon entering the "Sales Contract Confirmation" page, the default view shows the "Received" tab, where buyers can manage their contract confirmations [6][19]. Group 2 - The article provides a reminder that the blue Liulin Financial and Taxation Office is a non-official platform created for learning purposes, and all notes and articles are for educational reference only [9]. - It emphasizes the importance of using the electronic tax bureau or APP for tax-related services, allowing users to handle their tax matters online without needing to visit physical service halls [22][23].