Income-tax rate structure and surcharge framework set for different taxpayer classes with targeted rebates and withholding rules. The Schedule prescribes the income-tax rate structure for individuals, HUFs, firms, companies and other persons, detailing slab-based rates, exemptions for low incomes, rebates for maintenance of dependent parents or grandparents, surcharge formulas for Union purposes, distinct regimes for domestic and foreign companies including special rates on royalties and technical fees (subject to Central Government approval), withholding tax rates for specified payments, and rules for calculating tax in salary, advance tax and related contexts.