Group 1 - The article discusses the tax deduction options available for parents regarding childcare for children under three years old, allowing for a choice between a 100% deduction by one parent or a 50% deduction by both parents [3][4] - Parents can choose different deduction methods for multiple children, allowing flexibility in tax planning [3] - It is clarified that parents can simultaneously enjoy deductions for childcare and education for children who turn three during the year [4] Group 2 - The article highlights the implementation of a combined individual income tax system in China, which requires taxpayers to reconcile their income and tax payments annually, promoting fairness in tax distribution [10] - It mentions that taxpayers may need to pay additional taxes if their combined income results in a higher applicable tax rate than what was pre-paid [10][11] - The article provides information on the tax rate for individuals renting out housing, which will be reduced from 3% to 1.5% starting January 1, 2026 [14]