Compulsory registration in certain cases

(i) persons making any inter-State taxable supply; (ii) casual taxable persons making taxable supply; (iii) persons who are required to pay tax under reverse charge; (iv) person who are required to pay tax under sub-section (5) of section 9; (v) non resident taxable persons making taxable supply; (vi) persons who are required to deduct tax under section 51, whether or not separately registered under this Act; (vii) persons who making taxable supply of goods or services or both on behalf of other taxable persons whether as an agent or otherwise; (viii) input service distributor, whether or not separately registered under this Act; (ix) persons who supply goods or services or both, other than supplies specified under sub-section (5) of section 9, through such electronic commerce operator who is required to collect tax at source under section 52; (x) every electronic commerce operator 1[who is required to collect tax at source under section 52]; (xi) every person supplying online information and data base access or retrieval services from a place outside India to a person in India, other than a registered person; and (xii) such other person or class of persons as may be notified by the Government on the recommendations of the Council.