Section 4
SEC. 4. Section 19 of the National Internal Revenue Code is hereby amended to read as follows: “SEC. 19. Sources of revenue. – The following taxes, fees and charges are deemed to be national internal revenue taxes: “[a] Income tax; “[b] Estate and gift taxes; “[c] Excise taxes; “[d] Taxes on business; “[e] Documentary stamp taxes; “[f] Mining taxes; and “[g] Miscellaneous taxes, fees and charges, namely: taxes on banks, finance companies, insurance companies, franchise taxes, taxes on amusements, and charges on forest products, tobacco inspection fees and such other taxes as are or hereafter may be imposed and collected by the Bureau of Internal Revenue.”