Group 1 - Fixed assets are defined as non-monetary assets held by enterprises for production, service provision, leasing, or management, with a usage period exceeding 12 months, including buildings, machinery, and equipment [3] - The tax basis for purchased fixed assets includes the purchase price, related taxes, and other expenses directly attributable to making the asset ready for its intended use [4] - For self-constructed fixed assets, the tax basis is determined by the expenditures incurred before the completion settlement [5] Group 2 - For financed leased fixed assets, the tax basis is the total payment amount specified in the lease contract and related costs incurred during the contract signing process; if not specified, it is based on the fair value of the asset [6] - The tax basis for surplus fixed assets is based on the complete replacement value of similar fixed assets [7] - Fixed assets obtained through donations, investments, non-monetary asset exchanges, or debt restructuring are valued at their fair value plus related taxes for tax purposes [8] Group 3 - For renovated fixed assets, the tax basis includes expenditures incurred during the renovation process, excluding certain specified expenses [9] - The minimum depreciation period for fixed assets, unless otherwise specified by the State Council's financial and tax authorities, is set at 20 years for buildings and structures [10]

Group 1 - The article discusses the process for adjusting invoice quotas in the national unified electronic tax bureau, highlighting the steps required for taxpayers to submit their applications [4][5][6] - Tax authorities have the discretion to adjust the invoice quotas based on various circumstances deemed necessary during daily management [5][6] - The application process includes logging into the electronic tax bureau, selecting the appropriate options, and providing necessary documentation for the adjustment request [4][5] Group 2 - Specific conditions for voiding invoices are outlined, including scenarios such as sales returns, erroneous invoicing, and service interruptions [14][15] - The article specifies that paper invoices must be marked as "void" and returned in full to be considered voided, while electronic invoices cannot be voided and must be replaced with red invoices [15] - The conditions for voiding invoices include timely return of the invoice, no tax reporting by the seller, and no certification by the buyer [15]