(1) No dealer shall, while being liable to pay tax under this Act, carry on business as a dealer unless he possesses a valid certificate of registration as provided by this Act:

 Provided that the provisions of this sub-section shall not be deemed to have been contravened if the dealer having applied for such registration, as provided in this section, within the prescribed time carries on such business.

(2) A dealer dealing exclusively in goods specified in Schedule I shall not be liable for registration

(3) Every dealer, required by sub-section (1) to possess a certificate of registration, shall apply in such form, to such authority and in such manner as may be prescribed.

(4) If the prescribed authority is satisfied that an application for registration is in order, it shall register the applicant and issue him a certificate of registration in the prescribed form

(5) The prescribed authority may, after considering any information furnished under any provisions of this Act or otherwise received, amend from time to time, any certificate of registration.

(6) When a dealer has been subjected or is liable to be subjected to a penalty or is convicted in respect of contravention of the provisions of subsection (1), the prescribed authority shall register such dealer, if such dealer is not a registered dealer, and issue him a certificate of registration. Such registration shall take effect from the date of the issue of the certificate in every respect as if it had been issued under sub-section (3) on an application of the dealer.

(7) Where – (a) any business, in respect of which a certificate of registration has been issued under this section, has been discontinued or, transferred, or

(b) total turnover and taxable turnover of a dealer during the preceding year has not exceeded the thresholds of turnover specified in sub-section (1) of section 3,-and the dealer applies in the prescribed manner for cancellation of his registration, the prescribed authority shall cancel the registration with effect from such date as it may fix in accordance with the rules.

(7A) Where the dealer changes the place of his business situated in the jurisdiction of one authority to a different place falling under the jurisdiction of another authority, such dealer shall apply for cancellation of registration to that authority which has granted the registration and shall simultaneously apply for registration to another authority within whose jurisdiction the changed place of business is situated.

(8) Where the Commissioner is satisfied that any business in respect of which a certificate of registration has been issued under this section, has been discontinued and the dealer has failed to apply as aforesaid for cancellation of registration, the Commissioner may, after giving the dealer a reasonable opportunity of being heard, cancel the registration with effect from such date as he may fix to be the date from which the business has been discontinued.

(9) The cancellation of a certificate of registration on an application of the dealer or otherwise, shall not affect the liability of the dealer to pay the tax, penalty or interest due for any period prior to the date of cancellation whether such tax, penalty or interest is assessed before the date of cancellation but remains unpaid, or is assessed thereafter.