Core Viewpoint - The article emphasizes the transition of tax payment processes from offline to online through the optimization of the national electronic tax bureau and mobile app, highlighting the importance of the electronic tax bureau app for tax-related tasks [3]. Group 1: Electronic Tax Bureau App Features - The electronic tax bureau app serves as a comprehensive service platform for tax declaration, invoice management, and certificate issuance, making it essential for financial personnel in enterprises [3]. - The app has undergone continuous iterations to enhance user experience, particularly in high-frequency business functions such as invoice data statistics and invoice usage queries [3]. Group 2: Steps for Querying Invoice Data - To query invoice data and usage information, users must log into the electronic tax bureau app, switch to the corresponding enterprise identity, and navigate to the invoice usage section [4][5]. - Users can select the type of invoice and the query period to retrieve specific invoice usage records [9][11].

Group 1 - The article discusses whether a company can pay salaries every two months under an annual salary system, highlighting that it is permissible as long as both parties agree [1] - It addresses the legality of reducing trial period salaries to 80% of the agreed amount, indicating that this practice is not allowed unless specified in the contract [3] - The article explains the circumstances under which a company can withhold wages, such as for social security, housing fund, and taxes, which are considered lawful deductions [5] Group 2 - The calculation of sick leave pay is outlined, indicating that employees on sick leave during their probation period may receive a reduced salary based on their contract terms [7] - It provides a table detailing the percentage of salary employees can receive during sick leave based on their years of service and the duration of the leave [9]