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Indian income tax law | Updated 25 October 2026

Section 51 of the Income-tax Act, 1961: Advance Money Received

Section 51 deals with amounts retained following unsuccessful negotiations to transfer a capital asset and their effect on its cost of acquisition. The treatment depends particularly on whether the amount was already taxed as forfeited advance money.

Important legislative update: The Income-tax Act, 2025 came into force on 1 April 2026. Section 81 of the 2025 Act is the corresponding provision on advance money received. Section 51 of the 1961 Act remains relevant for earlier tax years and matters preserved by transitional provisions. The discussion below explains the 1961 Act and the transition.

Meaning and scope of Section 51

Under Section 51, when a capital asset was previously the subject of negotiations for transfer, advance or other money received and retained by the assessee in connection with those negotiations is generally deducted from the asset's acquisition cost, written-down value or fair market value, as applicable, when determining the cost of acquisition. However, the proviso prevents that deduction where the sum has already been included in total income under Section 56(2)(ix).

In this context, a capital asset is property falling within the applicable statutory definition; advance money is money received in connection with a proposed transfer; and cost of acquisition is the amount determined under the relevant capital gains provisions for calculating taxable gain.

Forfeited advance under Section 56(2)(ix)

Section 56(2)(ix), introduced with effect from assessment year 2015-16, taxes an amount received during negotiations for transfer of a capital asset where the amount is forfeited and the negotiations do not result in transfer of that asset. It is chargeable under the head Income from other sources. An amount so taxed is not deducted again from acquisition cost under the proviso to Section 51.

SituationGeneral treatment under the 1961 Act
Forfeiture covered by Section 56(2)(ix)Taxable as income from other sources; no corresponding reduction of acquisition cost under Section 51.
Earlier retained advance not included in income under Section 56(2)(ix)Section 51 may require reduction of cost of acquisition when the asset is subsequently transferred.
Refundable advance returned to the proposed purchaserOrdinarily no retained forfeited sum to trigger these provisions.
Sale actually completedExamine the sale consideration and applicable capital gains rules; an ordinary adjusted sale advance is not automatically a forfeiture.

Illustration

Assume a landowner purchased a capital asset for Rs. 40,00,000 and subsequently forfeited Rs. 3,00,000 after a proposed buyer defaulted and the sale did not take place. If the forfeiture is taxable under Section 56(2)(ix), Rs. 3,00,000 is treated as income from other sources for the relevant year. The Rs. 40,00,000 acquisition cost is not reduced by that taxed amount under Section 51. Other capital gains adjustments, if applicable, must still be considered.

By contrast, an advance retained in a period before Section 56(2)(ix) applied may be subject to the historical cost-reduction rule, depending on the facts and applicable law. The relevant year of forfeiture and subsequent sale must therefore be identified.

Income-tax Act, 2025: Section 81

For tax years beginning on or after 1 April 2026, refer to the Income-tax Act, 2025, particularly Section 81 and the relevant provisions concerning income from other sources. Transitional and saving provisions determine how earlier years and proceedings are treated. Do not confuse Section 51 of the 1961 Act with Section 51 of the 2025 Act, which concerns a different subject.

Records to preserve

Keep the agreement to sell, receipts and bank statements, correspondence about cancellation, evidence of forfeiture or refund, proof of the original acquisition cost, and relevant income-tax returns. These records help establish whether a payment was actually forfeited, the relevant tax year, and whether it has already been offered to tax.

Official law and reference materials

This article provides general information. The correct treatment depends on the tax year, terms of the agreement, character of the asset, and statutory provisions applicable to the transaction.