Deferred revenue expenditure

Hi,

Please confirm if deferred revenue expenditure created in the last year can be written off fully in this year or if only 1/5th is allowable. I want to know the treatment only with respect to incoem tax act. Per the company`s act we have written off the total amount as the management has confirmed that there wont be any future benefits accruing out it.

Thanks and regards,

Bhargavi.