Territorial jurisdiction of income-tax authorities reallocated with structured delegation to commissioners, joint commissioners and assessing officers. Central Board of Direct Taxes directs Commissioners of Income-tax, as listed in Schedule I, to exercise specified powers over designated territorial areas, persons and classes of income, and directs Commissioners in Schedule II to cover residual cases not assigned in Schedule I. Commissioners may authorise Joint Commissioners, who may in turn authorise Assessing Officers, by written orders. The notification defines 'residing' for various person types, allocates special subject-matter jurisdictions (e.g., salaries, professions, entertainment industry, stock-exchange participants), and fixes the commencement date while superseding earlier notifications prospectively.