(a) such firm or association and every person who is a partner of such firm or a member of such association or Hindu undivided family shall be liable jointly and severally for the payment of tax assessed and penalty imposed or any amount due under this Act and is payable by such firm or association or Hindu Undivided Family; and
(b) where such firm or association or Hindu Undivided Family has discontinued its business, -
(i) tax, including penalty payable under this Act by such firm or association or Hindu Undivided Family up to the date of such discontinuance may be assessed and determined as if no such discontinuance had taken place ; and
(ii) every person who was at the time of such discontinuance a partner of such firm or a member of such association or Hindu Undivided Family shall, notwithstanding such discontinuance, be liable jointly and severally for the payment of tax assessed and penalty imposed and payable by such firm or association or Hindu Undivided Family whether such assessment is made or penalty is imposed prior to or after such discontinuance, and, subject to as aforesaid, the provisions of this Act shall apply as if every such person or partner were himself a dealer:
Provided that where it is found that a change has occurred in the constitution of the firm or association, the firm or association as reconstituted as well as partners or members of the firm or association, as it existed before re-constitution, shall jointly and severally be liable to pay tax including penalty, if any, due from such firm or association for any period before its reconstitution.
(2) Where the ownership of the business of any dealer, liable to pay, tax is transferred, the transferor and transferee shall jointly and severally be liable to pay the tax including penalty, if any, payable in respect of such business till the time of such transfer, whether the assessment is made or the penalty is imposed prior to or after such transfer.
(3) Where a tax including penalty, if any, is recovered from a reconstituted firm or association under the proviso to sub-section (1) or from a transferee under sub-section (2), such firm or association or a transferee shall be entitled to recover the same from the person who was originally liable to pay the tax.