In accounting practice, one of the most debated topics is the asset revaluation. While the International Financial Reporting Standards (IFRS) allow to recognize increases in value in certain assets, Financial Reporting Standards (NIF) in Mexico are more conservative.
In this technical article we explain Why does this difference exist, when NIF does allow revaluation of assets? and what are the tax effects in Mexico, with a professional and SEO-oriented approach.
1. Philosophical differences between NIF and IFRS
NIF (Mexico)
- Based on historical cost and an approach conservative.
- Priority: Protect creditors, tax users, and information reliability.
- They avoid increases in book value that are not supported by real transactions.
IFRS
- Based on fair value, searching relevance for investors.
- They allow voluntary revaluation of assets such as:
- Property, plant and equipment (IAS 16)
- Investment properties (IAS 40)
- Biological assets (IAS 41)
- They reflect the current economic value, even if it is higher than the historical cost.
Quick comparison:
- NIF = Accounting conservatism.
- IFRS = Transparency on real economic value.
2. Why do NIFs limit the revaluation of assets?
The NIFs seek avoid financial and tax risks:
- Tax protection
- If a company were to freely revalue an asset, it could attempt to deduct depreciation on amounts not supported by real investment, affecting revenue collection.
- Avoid financial manipulation
- The revaluation could artificially inflate shareholders' equity, improving indicators such as leverage or solvency ratio without real support.
- Accounting prudence
- The Mexican framework prefers to recognize losses when they occur, but not anticipating profits without a sale or market event.
3. Times when NIFs do allow the use of fair value
Although NIFs are conservative, Yes, there are specific cases where it is allowed to record assets at fair value or a type of revaluation., generally linked to verifiable economic events:
- Business mergers and acquisitions (NIF B-7)
- In a merger or acquisition, the assets and liabilities of the acquired company are recognized at fair value.
- This can generate goodwill if more than the net value is paid, or bargain profit if you pay less.
- Financial instruments (NIF C-2 and C-3)
- Investments and derivatives can be measured at fair value when they are held for trading or are part of a hedging strategy.
- Investment properties (NIF C-6)
- Properties held for rent or capital gain, not for own use, can be measured at fair value, aligned with IAS 40.
- Biological assets (NIF E-1)
- Plantations, livestock or crops are measured at fair value less costs to sell, similar to IAS 41.
- Impairment and reversal events
- Although it is not a free revaluation, if an asset recovers value after impairment, a revaluation may be recognized. partial reversal, provided that it does not exceed its original book value.
4. Practical example of revaluation in a merger
Supposed:
- Company A absorbs Company B.
- Company B has a building on its books for $5,000,000, but an independent appraisal determines it is worth $8,000,000.
Accounting according to NIF B-7:
- In the books of the acquiring company, the building is recorded as $8,000,000.
- This “revaluation” is not voluntary; it is supported by a real market event: the merger.
- If more than the net value is paid, a tax arises Goodwill; if you pay less, it arises bargain profit.
Fiscally:
- Depreciation continues to be calculated on the historical fiscal cost, unless there is an actual sale.
5. Technical comparison of NIF vs. IFRS in revaluation
| Aspect | NIF (Mexico) | IFRS |
|---|---|---|
| Philosophy | Conservative, historical cost | Fair value and relevance |
| Free revaluation | Not allowed | Allowed in PPE and properties |
| Revaluation due to merger | Yes (NIF B-7, acquisition event only) | Yes (IFRS 3, fair value) |
| Financial instruments | Fair value according to NIF C-2/C-3 | Fair value IFRS 9 |
| Investment properties | Permitted (NIF C-6) | Permitted (IAS 40) |
| Biological assets | Permitted (NIF E-1) | Permitted (IAS 41) |
| Fiscal impact | Limited, historical cost prevails | Only accounting, tax depends on law |
6. Conclusion
In Mexico, the revaluation of assets under NIF It is only possible in cases justified by real economic events, as mergers, acquisitions, investment properties, biological assets or financial instruments.
If a company decides to apply Full IFRS, may present financial statements with revaluations for investors, but For tax purposes, historical cost will continue to be applied unless the LISR indicates otherwise.




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