Core Viewpoint - The article emphasizes the importance of compliance with invoicing regulations for businesses, highlighting the legal obligations to issue invoices and the consequences of failing to do so [18][31][45]. Group 1: Invoicing Regulations - Invoices are defined as payment vouchers issued during the sale of goods or provision of services, and they are crucial for both consumers and businesses [21][22]. - Businesses are legally required to issue invoices and cannot refuse to do so under any circumstances, as this constitutes a violation of the law [31][45]. - The article outlines that both paper and electronic invoices hold equal legal validity, with a push from the government to promote electronic invoicing [24]. Group 2: Compliance and Consequences - Businesses must issue invoices according to specified timelines and formats, and any deviation can lead to penalties, including fines up to 10,000 yuan [46]. - Repeated violations or serious infractions can result in public disclosure by tax authorities and may negatively impact a business's credit record [48]. - The article stresses that promotional activities, such as discounts, do not exempt businesses from their obligation to issue invoices [43].