Accumulated loss definition clarifies carry forward and set off entitlement after amalgamation or demerger under income tax law. The document defines accumulated loss for income tax purposes in amalgamation and demerger contexts: it is the portion of loss under 'Profits and gains of business or profession' (excluding speculation business losses) that the amalgamating, corresponding new, Government, or demerged co operative bank would have been entitled to carry forward and set off under section 72 as if the business reorganisation had not occurred.