Group 1 - The article discusses the range of feed products that are exempt from value-added tax (VAT), including single bulk feed, mixed feed, compound feed, and concentrated feed [3][4]. - Specific products that qualify for VAT exemption include bran, distiller's grains, fish meal, various types of meal (excluding soybean meal), grass feed, feed-grade phosphorus, and others [3][4]. - Mineral trace element lick bricks and fish oil used in aquaculture and poultry feeding are also categorized as single bulk feed and are exempt from VAT [4]. Group 2 - Taxpayers engaged in both exempt and taxable feed sales must separately account for the sales of exempt and reduced tax items [5]. - If a taxpayer issues a special VAT invoice for exempt feed products, they will not be eligible for the VAT exemption and must pay the full VAT [5]. - The exemption code for feed products is 0001092202, which must be used in the VAT declaration forms for both general and small-scale taxpayers [5].

Core Viewpoint - The article emphasizes the importance of understanding tax policies, particularly regarding the deductibility of input tax for businesses involved in exempt projects and non-normal losses [6][12]. Group 1: Tax Policy Understanding - Businesses must be aware that input tax cannot be deducted for goods used in exempt VAT projects, as per the regulations [6][11]. - Non-normal losses, such as those caused by mismanagement leading to spoilage or theft, also result in the inability to deduct input tax [12]. Group 2: Compliance and Business Foundation - Compliance with tax regulations is crucial for establishing a solid foundation for business development [13]. - The article highlights that a deeper understanding of tax policies can prevent misinterpretations that may lead to financial losses [14].