(1) There shall be levied a tax called the Central/State Goods and Services Tax (CGST/SGST) on all intra-State supplies of goods and/or services at the rate specified in the Schedule . . . to this Act and collected in such manner as may be prescribed. (2) The CGST/SGST shall be paid by every taxable person in accordance with the provisions of this Act. (3) Notwithstanding anything contained in sub-section (2), the Central or a State Government may, on the recommendation of the Council, by notification, specify categories of supply of goods and/or services the tax on which is payable on reverse charge basis and the tax thereon shall be paid by the person receiving such goods and/or services and all the provisions of this Act shall apply to such person as if he is the person liable for paying the tax in relation to such goods and/or services.