Section 24
COMPULSORY REGISTRATION IN CERTAIN CASES
Notwithstanding anything contained in sub-section (1) of section 22, the following categories of persons shall be required to be registered under this Act,––
(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 make 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;who is required to collect tax at source under section 52
(xi) every person supplying online information and database access or retrieval services from a place outside India to a person in India, other than a registered person; 1[and]
2[(xia) every person supplying online money gaming from a place outside India to a person in India; and.]