No return of income, assessment, notice, summons or other proceeding, furnished or made or issued or taken or purported to have been furnished or made or issued or taken in pursuance of any of the provisions of this Act shall be invalid or shall be deemed to be invalid merely by reason of any mistake, defect or omission in such return of income, assessment, notice, summons or other proceeding if such return of income, assessment, notice, summons or other proceeding is in substance and effect in conformity with or according to the intent and purpose of this Act.
Section 291 Power to tender immunity from prosecution
Section 292 Cognizance of offences
Section 202B Return of income, etc., not to be invalid on certain grounds
Section 292BB Notice deemed to be valid in certain circumstances
Section 292C Presumption as to assets, books of account, etc
Section 292CC Authorisation and assessment in case of search or requisition
Section 293 Bar of suits in civil courts
Section 293B Power of Central Government or Board to condone delays in obtaining approval
Section 293C Power to withdraw approval
Section 294 Act to have effect pending legislative provision for charge of tax
Section 294A Power to make exemption, etc., in relation to certain Union territories
Section 295 Power to make rules
Section 296 Rules and certain notifications to be placed before Parliament