Group 1 - The article emphasizes the importance of issuing special invoices according to specific requirements set by the State Administration of Taxation, including ensuring that the project details match actual transactions and that the handwriting is clear [4][6] - It outlines four key requirements for issuing special invoices: completeness of items, clarity of handwriting, proper stamping of invoice copies, and timing of issuance based on VAT obligations [4][6] - Non-compliance with these requirements allows the buyer to refuse receipt of the special invoice, highlighting the significance of adherence to tax regulations [4][6] Group 2 - The article also mentions common misconceptions regarding tax deductions, such as the treatment of fixed assets and the necessity of contracts for stamp duty [6] - It provides a reminder about the importance of maintaining complete documentation to avoid tax adjustments related to loan losses [6]