(2)  Without prejudice to the generality of the foregoing sub-section, if the Assessing Officer or the Commissioner (Appeals) in the course of any proceeding under this Act in respect of any such association of persons as is referred to in that sub-section is satisfied that the association of persons was guilty of any of the acts specified in Chapter XXI, he may impose or direct the imposition of a penalty in accordance with the provisions of that Chapter.

(3)  Every person who was at the time of such discontinuance or dissolution a member of the association of persons, and the legal representative of any such person who is deceased, shall be jointly and severally liable for the amount of tax, penalty or other sum payable, and all the provisions of this Act, so far as may be, shall apply to any such assessment or imposition of penalty or other sum.

(4)  Where such discontinuance or dissolution takes place after any proceedings in respect of an assessment year have commenced, the proceedings may be continued against the persons referred to in sub-section (3) from the stage at which the proceedings stood at the time of such discontinuance or dissolution, and all the provisions of this Act shall, so far as may be, apply accordingly.

(5)  Nothing in this section shall affect the provisions of sub-section (6) of section 159.