Exemption withdrawal under section 54B occurs when replacement agricultural land is re transferred or capital gains deposits remain unutilised. Withdrawal of exemption under section 54B occurs if replacement agricultural land acquired to claim the exemption is transferred within three years, in which event the exempted amount is deducted from the replacement land's cost. Additionally, if amounts deposited in a capital gains account scheme are not used to buy agricultural land within two years, the unutilised deposit is deemed to be long term capital gain of the year in which the time limit expires.