(1) For the purpose of making an assessment under this Act, the 1[ Assessing] Officer may serve on any person who has made a return under section 139 2[ or in whose case the time allowed under sub- section (1) of that section for furnishing the return has expired] a notice requiring him, on a date to be therein specified,-
3[ where such person has not made a return 4[ within the time allowed under sub- section (1) of section 1391, to furnish a return of his income or the income of any other person in respect of which he is assessable under this Act, in the prescribed form and verified in the prescribed manner and setting forth such other particulars as may be prescribed, or]
5[ ] to produce or cause to be produced, such accounts or documents as the 6[ Assessing] Officer may require, or
7[ ] to furnish in writing and verified in the prescribed manners information in such form and on such points or matters (including a statement of all assets and liabilities of the
assessee, whether included in the accounts or not) as the 1[ Assessing] Officer may require: Provided that-
the previous approval of the 2[ Deputy] Commissioner shall be obtained before requiring the assessee to furnish a statement of all assets and liabilities not included in the accounts;
the 3[ Assessing] Officer shall not require the production of any accounts relating to a period more than three years prior to the previous year.