Income Taxes — ASC 740 vs IAS 12

作者：Sajiv Francis 约 1 分钟阅读 更新日期：2026-07-22 标签：FI, CO, 财务

Both ASC 740 (US GAAP) and IAS 12 (IFRS) use the balance-sheet temporary-difference approach to deferred tax, and both classify all deferred tax as non-current. The differences sit in recognition mechanics — which matter for a multinational reconciling its parallel ledgers.

The model

Section titled “The model”

US GAAP vs IAS 12 — the differences that matter

Section titled “US GAAP vs IAS 12 — the differences that matter”
AreaUS GAAP (ASC 740)IFRS (IAS 12)
Uncertain tax positionsTwo-step: recognize if more-likely-than-not, then measureIFRIC 23 — expected value or most-likely amount
DTA recognitionRecognize in full, then a valuation allowanceRecognize only to the extent probable
Backwards-tracingProhibitedRequired (trace tax effects to where the item was recognized)
Initial-recognition exemptionNoneYes

Key judgment areas

Section titled “Key judgment areas”
Section titled “Related”

Limitations

Section titled “Limitations”

An educational reference and original synthesis — not investment advice, and not a substitute for the standard or for professional accounting guidance. For authoritative measurement detail, consult ASC 740 / IAS 12 directly.

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