Group 1 - The article discusses tax policies that allow high-tech enterprises and small and medium-sized technology enterprises to carry forward losses for up to 10 years, extending the previous limit of 5 years [4] - It highlights that integrated circuit production enterprises with a line width of less than or equal to 130 nanometers are also eligible for the same loss carryforward policy [4] - The article mentions that industries significantly affected by the COVID-19 pandemic, such as transportation, catering, accommodation, and tourism, can carry forward losses for up to 8 years instead of 5 years [5][6] Group 2 - It states that expenses incurred during the preparation period of a business cannot be counted as current losses but can be deducted once the business starts operations [6] - The article clarifies that during business liquidation, previous year losses can be compensated [8] - It explains that partners in a partnership that are legal entities cannot use the partnership's losses to offset their profits for tax purposes [9] Group 3 - The article outlines that companies can deduct previous year losses when making quarterly prepayments of corporate income tax [10] - It details that in cases of corporate restructuring, losses can be allocated among the newly formed entities based on the proportion of assets [9] - It specifies that losses from overseas operations cannot offset domestic profits but can be carried forward to future years [10] Group 4 - The article discusses how real estate development companies can handle losses after land value tax settlements, allowing them to carry forward losses to future years if they have ongoing projects [10] - It provides a formula for calculating the allocation of land value tax based on project sales revenue [10] - It emphasizes that any tax refunds due to overpayment of corporate income tax must not exceed the actual taxes paid during the project development [10]