(2) Subject to the other provisions of this Act and the rules made thereunder, the authorities for the time being empowered to assess, re assess, collect and enforce payment of any tax under general sales tax law of the appropriate State shall, on behalf of the Government of India, assess, re assess, collect and enforce payment of tax, including any penalty, payable by a dealer under this Act as if the tax or penalty payable by such a dealer under this Act is a tax or penalty payable under the general sales tax law of the State; and for this purpose they may exercise all or any of the powers they have under the general sales tax law of the State; and the Provisions of such law, including provi 566 sions relating to returns, provisional assessment, advance payment of tax, registration of the transferee of any business, imposition of the tax liability of a person carrying on business on the transferee of or successor to such business transfer of liability of any fir n or Hindu undivided family to pay tax in the event of the dissolution of such firm or partition of such family, recovery of tax from third parties, appe als, reviews, revisions, references, 3(refunds, rebates, penal ties) compounding of offences and treatment of documents furnished by a dealer as confidential, shall apply accordingly: Provided that if in any State or part thereof there is no general sales tax law in force, the Central Government may, by rules made in this behalf make necessary provision for all or any of the matters specified in this sub section.