Group 1 - The article discusses the recognition of rental income according to the Corporate Income Tax Law of the People's Republic of China, stating that rental income is derived from the use rights of fixed assets, packaging materials, or other tangible assets [2] - It emphasizes that rental income should be recognized based on the payment date agreed upon in the contract with the lessee [2] - The article references a notification from the State Administration of Taxation regarding the confirmation of rental income, highlighting that if the lease term spans multiple years and the rent is paid in advance, the income recognition should align with the principle of matching income and expenses [2]