［Concept 060］HKAS 29 / IAS 29 in Plain English: From Hyperinflation Assessment to Full Restatement Workflow

Note: This article provides a focused explanation and extended discussion on a specific standard. If you’d like to see the full list of articles and short summaries for this standard, please visit the “Series Overview” page.

Since 2025, most standard‑related articles on this site have been available in both Chinese and English versions. If you’d like to read the Chinese explanation, please visit the 「系列總覽」 page and look for the corresponding article.

Plain‑English explainer of HKAS 29 / IAS 29 for students, junior accountants and non‑specialists who find official standards too dense to read.

This article is based on Hong Kong Accounting Standards (HKAS / HKFRS), which are fully aligned with IAS / IFRS except for minor local tweaks, so the same principles generally apply under IAS / IFRS unless noted otherwise. The goal is to unpack HKAS 29 Financial Reporting in Hyperinflationary Economies (equivalent to IAS 29) using plain English and practical, real‑life examples instead of technical jargon. It is written for students, junior accountants, audit juniors and finance professionals who want to understand not just “what the standard says” but how to actually read and prepare financial statements in line with it.

When you see “the company” or “the entity” below, you can think of any entity that prepares general purpose financial statements under HKFRS / IFRS.

When everyone only remembers “100%”

In many Hong Kong workplaces, the first question people ask about hyperinflation is: “Has that country’s three‑year cumulative inflation exceeded 100%?” Three‑year cumulative inflation close to or above 100% is an important indicator mentioned in HKAS 29, but remembering only this one point is not enough. When you actually work on financial statements in a hyperinflationary economy, you have to answer far more than “over 100% or not”:

From which point do we treat the economy as hyperinflationary, and when do we start applying HKAS 29?
Once HKAS 29 is triggered, how do we restate the statement of financial position and the statement of profit or loss and other comprehensive income, and where does the gain or loss on the net monetary position come from?
In the first year of application, how do we handle the opening balances? How do we restate the comparatives afterwards, and what exactly do we need to explain to users in the notes?

The aim of this article is not to add new rules, but to connect all the scattered pieces into one clear line. The idea is that, when you next face a hyperinflation question or real‑life case, you can tell the whole story using a simple three‑step structure.

What You Should Be Able To Do After Reading?

By the end, you should be able to:

Use a concise “three‑step flow chart” to describe how HKAS 29 is applied:
1. assess whether there is hyperinflation →
2. restate the financial statements →
3. deal with follow‑up and disclosures.
Use a simple country case study to explain when HKAS 29 needs to be activated, and from which reporting period the standard applies and comparatives must be restated.
Summarise the main restatement workflow: classify monetary versus non‑monetary items, restate assets and equity, restate the profit or loss, and calculate the gain or loss on the net monetary position.
Place first‑time application, comparative restatement and subsequent‑year treatment on a timeline, distinguishing which adjustments are one‑off and which steps must be repeated every year.
From a financial statement user’s perspective, list the key questions that disclosures must answer, and know how to use the previous three articles as a toolbox to break down integrated scenario questions.

1. A one‑line map of the three earlier articles

You can picture the whole HKAS 29 / IAS 29 story as a straight line with three main “stations”:

Assess hyperinflation: Do we apply HKAS 29 / IAS 29 at all?
- Use qualitative indicators (people avoid the local currency, prices quoted in foreign currency, wages and rents indexed to inflation) and the well‑known quantitative indicator (three‑year cumulative inflation approaching or exceeding 100%).
- Once an economy is judged hyperinflationary and an entity’s functional currency is that economy’s currency, HKAS 29 / IAS 29 applies from the beginning of that reporting period.
Restate the financial statements: If yes, how do we do it?
- Core principle: all financial statements, including comparatives, must be expressed in the measuring unit current at the end of the reporting period.
- Use a general price index to restate non‑monetary assets and equity from acquisition or revaluation dates, restate income and expenses from their recognition dates, and recognise a gain or loss on the net monetary position.
Follow‑up and disclosures: How do we “tidy up” and explain it?
- In the first hyperinflation year and at exit, handle opening balances and comparatives using HK(IFRIC)‑Int 7 / IFRIC 7 and IAS 29.
- Disclose the index used, the fact and basis of restatement, and the gain or loss on the net monetary position, plus any estimation issues.

Mapped to the earlier pieces:

Concept 057 ≈ Step 1 (hyperinflation assessment and scope)
Concept 058 ≈ Step 2 (restatement mechanics and net monetary position)
Concept 059 ≈ Step 3 (comparatives, first‑time application, exit and disclosures)

This article puts all three steps on one map so you can see the full line.

1. From “is it hyperinflation?” to “when do we start?”

Imagine a country X where:

Prices have risen very quickly in recent years, with three‑year cumulative official inflation of 120%.
People convert local currency into USD or property as soon as they can.
Supermarket prices appear in both local currency and USD, and wage contracts are formally indexed to the official price index.

These are classic IAS 29 indicators:

Three‑year cumulative inflation approaching or exceeding 100%.
People prefer non‑monetary assets or stable foreign currency.
Prices and wages widely indexed to a price index.

How you would assess in practice

Gather indicators
- Look at official inflation data and three‑year cumulative rates.
- Observe behaviour: is the population avoiding the local currency, are contracts indexed?
- Check what international bodies and audit firms are saying about country X’s status under IAS 29.
Make an overall judgment
- The 120% cumulative inflation is a strong quantitative signal, but IAS 29 / HKAS 29 is clear that it is not a hard threshold.
- You combine the quantitative data with qualitative indicators and conclude whether the economy is hyperinflationary.
If the conclusion is “yes, hyperinflationary”
- Any entity whose functional currency is X’s currency must apply HKAS 29 / IAS 29 from the beginning of the reporting period in which hyperinflation is identified.
- The financial statements for that year, including comparatives, must be restated into the measuring unit at the end of the year.

At group level you immediately ask:

Which subsidiaries and associates have functional currency equal to currency X?
From which year does the group treat X as hyperinflationary for reporting purposes?

Once you know that, you know which entities and which periods must be restated.

2. From “we must restate” to “how we restate” — the backbone flow

Once you are in Step 2, it is easy to drown in calculations. To keep control, think of a five‑step backbone:

Get the general price index

Identify the general price index (GPI) you will use (usually official CPI) and capture key points:
- three years ago, prior year‑end, current year‑end, and any key intermediate dates.
If official indices are missing or unreliable, you may need to estimate, possibly using stable‑currency exchange rates as a proxy, and then disclose the estimation uncertainty.

Split monetary vs non‑monetary items

Monetary items: cash, receivables, payables, loans and other items to be received or paid in a fixed or determinable number of currency units.
- These are not restated because they are already in nominal end‑of‑period units; the real effect of inflation appears through the gain or loss on the net monetary position.
Non‑monetary items: PPE, intangibles, inventories, prepayments, cost‑based investments, equity components.
- These are generally restated from acquisition or revaluation date to the current year‑end using the GPI.

Restate non‑monetary assets and equity

Historical‑cost assets:
- Restate cost and accumulated depreciation separately using appropriate indices, then compute restated carrying amount.
Revalued assets:
- Restate from the revaluation date, not from the original acquisition date, because the revalued amount already reflects prices at that point.
Equity:
- Restate share capital and reserves from the dates they arose; treat retained earnings as the balancing figure after updating assets and liabilities.

Restate profit or loss and other comprehensive income

Restate all income and expense items from the dates they were recognised to the reporting date, using actual or average indices as appropriate.
For items incurred evenly during the year (for example, salaries), an average index is often used; for large one‑off items, use the transaction date index.

Calculate and present the gain or loss on the net monetary position

Determine whether the entity has net monetary assets or net monetary liabilities during the period.
Recognise the gain or loss on the net monetary position in profit or loss and disclose it separately.
The gain or loss may be derived directly or as a balancing figure after restating non‑monetary items, equity and income and expenses.

Whenever you see a hyperinflation question, anchor yourself by asking: “Which of these five steps am I working on?” That stops you from jumping straight into numbers without a clear plan.

3. Plugging “tidy‑up work” back into the flow — comparatives and first‑time application

Step 3 might look like an afterthought, but it sits on the same timeline as Step 2. A simple way to see it is to draw a time line:

Transition year — the first year of hyperinflation

In the first year when an economy is identified as hyperinflationary, you have to deal with the opening statement of financial position and comparatives.

HK(IFRIC)‑Int 7 / IFRIC 7 tells you to apply IAS 29 as if the economy had always been hyperinflationary:

Restate non‑monetary items measured at historical cost from their acquisition dates to the end of the reporting period.
For items already at current values at earlier dates (for example, revalued assets), restate from the date those values were determined.
Remeasure and restate deferred tax balances consistently with IAS 12.

The result is that your opening statement of financial position in the first hyperinflation year looks as if you had always been applying IAS 29.

Comparative figures

Comparatives (for example, prior year) must be restated into the current period’s measuring unit:

Commonly this is done in two stages:

Restate last year’s financial statements into last year’s year‑end measuring unit.
Restate those amounts again from last year’s closing index to this year’s closing index.

Typical mistakes:

Doing stage 1 but forgetting stage 2, so current year and prior year are not in the same measuring unit.
Treating “already restated comparatives” as new historical cost and restating them from the original acquisition date again.

Later years — the routine

In later years (for example, 20X4, 20X5), the opening balances are already restated. You then:

Restate new non‑monetary additions and current‑year income and expenses.
Continue to compute the gain or loss on the net monetary position each year.

The big transitional heavy lifting is mostly in the first one or two years after hyperinflation is identified.

When an exam question hints that a country became hyperinflationary “in 20X3”, you should immediately visualise this timeline and separate:

One‑off transition adjustments (opening restatement, IFRIC 7 effects, comparative re‑base).
Recurring annual restatement work in later years.

4. Disclosures — what users actually need to see

Put yourself in the shoes of a user. If you only have the main statements and a couple of pages of notes about inflation, what do you want to know? IAS 29 and practice materials basically expect you to answer at least these questions:

Have the financial statements been restated, and why?
- State clearly that the financial statements, including comparatives, have been restated for changes in general purchasing power under HKAS 29 / IAS 29, and that the economy is hyperinflationary.
What was the original measurement basis?
- Explain whether the financial statements were originally prepared on a historical‑cost or current‑cost basis before restatement.
Which index was used, and how severe is the inflation?
- Identify the general price index used, disclose index levels at the beginning and end of the period, and show the percentage change for current and comparative periods, or at least key cumulative rates.
How large is the gain or loss on the net monetary position?
- Present the gain or loss on the net monetary position in profit or loss and disclose it separately, explaining that it represents the impact of holding net monetary assets or liabilities during hyperinflation.
How were comparatives restated, and were estimates required?
- Describe how comparative figures were restated into the current measuring unit and explain any use of approximations due to missing indices or incomplete historical data, including key assumptions and limitations.

As a simple checklist for your own disclosures:

If you can tick these five boxes, you are covering the core spirit of HKAS 29 / IAS 29.
If you can also link to effects on deferred tax (HKAS 12 / IAS 12) and foreign currency translation (HKAS 21 / IAS 21), you are close to full marks.

5. Two mini scenarios to practise linking everything

To show how this “one line” helps, here are two quick scenarios and how you might mentally route them back to the earlier pieces and steps.

Scenario A: Hyperinflation identified part‑way through a calendar year

Assume:

Country X is assessed as hyperinflationary during 20X3 as inflation spikes and the three‑year cumulative rate passes 100% with strong qualitative indicators.
Your group has a 31 March year‑end and several subsidiaries with functional currency X.

You would:

Use Step 1 and Article 1 concepts to confirm that, based on IAS 29 indicators, X is hyperinflationary and that HKAS 29 applies from the start of the relevant reporting period.
Use Step 3 and Article 3 to handle first‑time application: apply HK(IFRIC)‑Int 7 / IFRIC 7 to restate opening balances and comparatives into the measuring unit at the end of the period.
Use Step 2 and Article 2 for the mechanics: follow the five‑step backbone to restate non‑monetary items, profit or loss and the net monetary position.

Scenario B: Economy long in hyperinflation, but big changes this year