| 144B [OMITTED BY THE DIRECT TAX LAWS (AMENDMENT) ACT, 1987, W.E.F. 1-4-1989] |
| 150 Provision for cases where assessment is in pursuance of an order on appeal, etc. |
| 158 Intimation of assessment of firm |
| 153B Time limit for completion of assessment under section 153A |
| 152 Other provisions |
| 153 Time limit for completion of assessments and reassessments |
| 139 Return of income |
| 139A Permanent account number |
| 139C Power of Board to dispense with furnishing documents, etc., with the return |
| 145 Method of accounting |
| 139B Scheme for submission of returns through Tax Return Preparers |
| 139D Filing of return in electronic form |
| 140 Return by whom to be verified. |
| 141 [OMITTED BY THE TAXATION LAWS (AMENDMENT) ACT, 1970, W.E.F. 1-4-1971] |
| 141A [OMITTED BY THE DIRECT TAX LAWS (AMENDMENT) ACT, 1987, W.E.F. 1-4-1989] |
| 142A Estimation of value of assets by Valuation Officer |
| 143 Assessment |
| 140A Self-assessment |
| 142 Inquiry before assessment |
| 144 Best judgment assessment |
| 144A Power of Joint Commissioner to issue directions in certain cases |
| 145A Method of accounting in certain cases |
| 146 [OMITTED BY THE DIRECT TAX LAWS (AMENDMENT) ACT, 1987, W.E.F. 1-4-1989] |
| 148 Issue of notice where income has escaped assessment |
| 147 Income escaping assessment |
| 149 Time limit for notice |
| 151 Sanction for issue of notice |
| 154 Rectification of mistake |
| 155 Other amendments |
| 156 Notice of demand |
| 157 Intimation of loss |
| 153A Assessment in case of search or requisition |
| 153C Assessment of income of any other person |
| 153D Prior approval necessary for assessment in cases of search or requisition |
| 144BA. Reference to Commissioner in certain cases |
| 144C. Reference to dispute resolution panel |