Rule-21 of CGST Rules 2017
21. Registration to be cancelled in certain cases.-
The registration granted to a person is liable to be cancelled, if the said person,-
- does not conduct any business from the declared place of business; or
- issues invoice or bill without supply of goods or services in violation of the provisions of this Act, or the rules made thereunder; or
violates the provisions of section 171 of the Act or the rules made thereunder.