A slump sale is the transfer of an entire business undertaking — or a clearly identifiable business unit — as a going concern, for a lump sum consideration, without assigning individual values to the assets and liabilities being transferred. It's a common structure in M&A and internal restructuring, but Section 50B of the Income-tax Act treats it very specifically, and getting the computation or documentation wrong is one of the more expensive mistakes a business can make.

What Qualifies as a Slump Sale

Two conditions must both be met:

  1. The transfer must be of an undertaking — a business activity capable of being run independently, not a random bundle of assets.
  2. The consideration must be a lump sum — if the buyer and seller assign values to individual assets in the agreement, the transaction is no longer a slump sale and gets taxed asset-by-asset instead, usually less favorably.

How the Tax Is Computed

The gain is computed as: Sale consideration minus net worth of the undertaking, and this is taxed as a capital gain — long-term if the undertaking has been held for more than 36 months, short-term otherwise.

Net worth is defined specifically under Section 50B, not as per your books:

  • Aggregate value of total assets of the undertaking, computed as: for depreciable assets, the written-down value under the Income-tax Act; for other assets, the book value.
  • Less: value of liabilities as appearing in the books.
  • Crucially, self-generated goodwill and other self-generated intangible assets are excluded — meaning net worth can look artificially low, and the resulting capital gain artificially high, if this exclusion isn't accounted for during deal pricing.

Why Valuation Matters More Than It Looks

Because the taxable gain is the difference between the deal price and net worth (not fair value), how net worth is computed becomes central to the tax outcome — not the negotiation. A valuation and certification exercise done properly before the deal, not after, does two things: it gives both parties a defensible basis for the lump-sum price, and it flags whether the resulting capital gains number will be higher than the commercial logic of the deal would suggest.

Documentation That Protects the Deal

  1. A single business transfer agreement covering the entire undertaking — assets, liabilities, employees, contracts, and licenses — with one consolidated consideration figure and no asset-wise break-up in the schedules.
  2. A Chartered Accountant's certificate in Form 3CEA, computing net worth as required under Section 50B, filed along with the tax return for the year of transfer.
  3. Board and shareholder approvals for both entities, particularly where the undertaking constitutes a substantial part of the transferor's business (this can trigger Section 180 approval requirements) — best handled through your corporate secretarial function alongside the deal team.
  4. Employee transfer documentation — consents, revised offer letters, and continuity of service records, since these get scrutinized separately from the tax computation.
  5. GST treatment — a transfer of a going concern is typically treated as a supply of services but exempted under GST, provided it genuinely qualifies as a going concern; this needs to be assessed and disclosed correctly at the time of filing, not left for a subsequent department query.

Common Pitfalls

  • Splitting consideration by asset class in the agreement, even informally in a schedule or annexure, which can convert the transaction out of slump-sale treatment entirely.
  • Ignoring the goodwill exclusion, leading to an understated net worth and an overstated (and disputed) capital gain.
  • Treating book value as net worth without adjusting depreciable assets to their tax written-down value, which is a different number from the accounting WDV.
  • Missing Form 3CEA, which is a mandatory filing, not optional documentation.

A slump sale can be a clean, tax-efficient way to transfer a business — but only when net worth is computed correctly, the agreement structure preserves lump-sum treatment, and the deal is supported by proper valuation and secretarial documentation from the outset.

Perfect Accounting supports slump sale transactions end-to-end — net worth computation, Form 3CEA certification, and coordinating the valuation and secretarial paperwork that keeps the deal defensible on audit.