# Form C and CP204: Estimating and Paying Company Tax

> How a Sdn Bhd estimates its tax on Form CP204, revises it on CP204A, files Form C, and exactly what a bad estimate costs under section 107C(10).

- Category: taxation
- Language: en
- Status: published
- Updated: 2026-07-20
- Canonical: https://negaraku.md/en/taxation/form-c-and-cp204

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The expensive part of Malaysian company tax is not the rate. It is the guess you
make eleven months before you know the answer.

Every competitor page will tell you that CP204 is an estimate and CP204A is a
revision. Almost none of them show you what happens when the estimate is wrong.
So here is the arithmetic first, and the form-filling afterwards.

## What does a bad tax estimate actually cost?

Section 107C(10) of the Income Tax Act 1967 says that where the tax payable under
an assessment exceeds the latest estimate **by an amount of more than thirty per
cent of the tax payable under the assessment**, the difference between that amount
and the 30% margin is increased by a sum equal to **10% of that difference** —
and this happens *without any further notice being served*.

Read slowly, it is a two-step calculation. Take a company with a 31 December year
end whose final tax turns out to be **RM400,000**.

| Scenario | Latest estimate | Shortfall | 30% margin | Excess over margin | s.107C(10) increase |
| --- | --- | --- | --- | --- | --- |
| Optimistic estimate | RM120,000 | RM280,000 | RM120,000 | RM160,000 | **RM16,000** |
| Estimate exactly at the line | RM280,000 | RM120,000 | RM120,000 | Nil | **Nil** |
| Revised to RM380,000 in the 11th month | RM380,000 | RM20,000 | RM120,000 | Nil | **Nil** |
| No CP204 filed at all | — | — | — | — | **RM40,000** under s.107C(10A) |

Three things fall out of that table.

**The safe harbour is 70%.** Since the margin is 30% *of the final tax*, your
latest estimate has to reach 70% of the eventual tax to escape entirely. Not 70%
of your budget — 70% of the number that appears on the notice of assessment.

**The 10% applies only to the excess, not the whole shortfall.** In the first row
the shortfall is RM280,000, but the increase is computed on RM160,000. Guides that
say “10% penalty on the difference” overstate it, sometimes badly.

**Filing nothing is the worst outcome.** Section 107C(10A) applies where no
estimate was furnished, no CP205 direction was given and no prosecution was
instituted: the whole tax payable is increased by 10%. In this example that is
RM40,000, two and a half times the underestimation increase. A deliberately low
CP204 is a bad idea; no CP204 is a much worse one.

Section 107C(11) lets the Director General remit the whole or part of an increase
under s.107C(9), (10) or (10A) for good cause shown, and repay it if already paid.
That is a discretion exercised on written facts, not a backstop you can plan around.

## When is CP204 due, and when can you change it?

The estimate goes in on the prescribed form by electronic medium under s.107C(7A);
companies have been required to e-file CP204 and CP204A since YA2018, and LLPs,
trust bodies and co-operative societies since YA2019.

| Situation | Statute | Deadline |
| --- | --- | --- |
| Company already in operation | s.107C(2) | Not later than 30 days before the basis period begins |
| New company, first basis period at least 6 months | s.107C(4)(a) | Within 3 months of commencing operations |
| Instalments, existing company | s.107C(5) | Equal monthly, from the 2nd month of the basis period |
| Instalments, new company | s.107C(6) | Equal monthly, from the 6th month of the basis period |
| Each instalment due date | s.107C(12) | The 15th of the calendar month |
| Revision | s.107C(7) | 6th, 9th or 11th month of the basis period only |

Two constraints catch people out.

**The 85% floor.** Under s.107C(3), the estimate for a year of assessment cannot
be less than 85% of the revised estimate for the immediately preceding year, or of
the original estimate where no revision was filed. It applies from the second year
of assessment onward (s.107C(4)(b)). A company coming off a strong year cannot
simply reset to a token figure.

**The three windows are the only windows.** There is no 3rd-month or 12th-month
revision. A revision in the 6th month can take effect from the 5th or 6th
instalment, the 9th month from the 8th or 9th, and the 11th month from the 11th.
Where the revised figure is lower than what has already been billed, the remaining
instalments simply cease (s.107C(7)(b)).

## Which new companies are exempt from CP204 entirely?

Section 107C(4A) switches off subsections (1), (2) and (3) for a company that is
**resident and incorporated in Malaysia**, has just commenced operations, and holds
paid-up ordinary share capital of **RM2.5 million or less** at the beginning of the
relevant basis periods. The relief covers the first year of assessment and the
immediately following one, or the two following years where there is no basis
period in the first year.

Section 107C(4B) takes it away if more than 50% of the ordinary share capital is
owned directly or indirectly by a related company (one with capital above
RM2.5 million), in either direction or through a common parent — or if **more than
20% is owned by companies incorporated outside Malaysia or by non-citizen
individuals** at the beginning of the basis period. That 20% limb is the one most
founders with an offshore holding company or a foreign co-founder miss.

The exemption is for companies only. Public Ruling No. 8/2025 confirms at paragraph
6.6.3 that it does not extend to an LLP, including a company that converted into
one, nor to a business trust or a securitisation special-purpose company.

## How the instalments are actually computed

LHDN divides the estimate by the number of months in the basis period, and any
fraction is added to the final instalment. An estimate of RM130,000 over a
12-month basis period gives eleven instalments of RM10,833 and a twelfth of
RM10,837.

On a mid-year revision the remaining tax is spread over the remaining months.
Take an estimate of RM120,000 for a calendar-year basis period, revised in the
6th month to RM260,000 with effect from the 6th instalment. Five instalments of
RM10,000 have been billed, so the balance is (RM260,000 − RM50,000) ÷ 7 =
**RM30,000 a month** for instalments six to twelve. Each unpaid instalment carries
its own 10% increase under s.107C(9).

## Form C: the return, not the estimate

Section 77A(1) requires the return within **seven months from the day following
the close of the accounting period** that constitutes the basis period. LHDN's
Return Form Filing Programme for 2026 grants a further **one month** for e-C
submissions, and note (iii) confirms that the same extension applies to payment
of the balance of tax under s.103(1). A 31 December 2025 year end therefore files
e-C by 31 August 2026.

Failure to file exposes the company to a penalty of up to three times the tax
under s.112(3), or prosecution under s.112(1) carrying a fine of RM200 to
RM20,000, six months imprisonment, or both. Two or more years of default raises
the floor to RM1,000 and adds a special penalty of treble the tax (s.112(1A)).

Dormant companies still file. LHDN's filing programme states that a dormant
company must submit the return, including Form E, and that holding shares, real
property, fixed deposits and similar investments does not make a company dormant.
Only a company that has **not commenced operations** is excused from CP204.

## Common mistakes

- **Treating the 30% test as a comfort zone.** It is measured against the final
  tax, so the estimate must reach 70% of a figure you do not yet know. Aim high
  and revise down in the 11th month; a downward revision stops the remaining
  instalments immediately, so over-estimating costs cash flow, not penalties.
- **Assuming a nil CP204 is harmless because the company made a loss.** If an
  assessment later shows tax payable and no estimate was furnished, s.107C(10A)
  adds 10% of the whole liability.
- **Filing CP204A in the 12th month.** The statute names three months. A late
  revision is simply not a revision, and the original estimate remains the
  benchmark for s.107C(10).
- **Reading the s.107C(4A) exemption as “all new SMEs.”** It requires resident
  *and* incorporated in Malaysia, and it fails on the 20% foreign ownership limb
  in s.107C(4B)(d) — a limb added long after most published guides were written.
- **Confusing the seven-month Form C deadline with the instalment schedule.**
  Instalments continue into the month after the basis period ends; the twelfth
  instalment of a calendar-year basis period falls due on 15 January.
- **Ignoring s.107C(9).** Paying the right total late still costs 10% of each
  unpaid instalment, imposed without notice.

## What's next

Work out which rate your estimate should be built on — the SME tiers of 15%, 17%
and 24% carry conditions that go well beyond company size, and they are set out in
the corporate tax rates page. If your accounting date has moved, or this is your
first year, the basis period drives every deadline on this page, so settle that
first. Then check whether the losses you are carrying forward are still available,
because an unusable loss is the quickest way to turn a comfortable estimate into a
s.107C(10) assessment.

## Sources

- Income Tax Act 1967 (Act 53), reprint as at 21 May 2024 — sections 77A, 107C, 112, 120 — https://www.hasil.gov.my/wp-content/uploads/20240521-akta-cukai-pendapatan-1967-akta-53.pdf (LHDN)
- Tax Estimation — Submission of Estimated Tax Payable Under Section 107C — https://www.hasil.gov.my/en/syarikat/anggaran-cukai/ (LHDN)
- Public Ruling No. 8/2025 — Tax Treatment for Micro, Small and Medium Companies — https://www.hasil.gov.my/wp-content/uploads/pr-8-2025-tax-treatment-for-micro-small-and-medium-companies.pdf (LHDN)
- Return Form Filing Programme for the Year 2026 — https://www.hasil.gov.my/wp-content/uploads/program-memfail-bn-bagi-tahun-2026.pdf (LHDN)
- Offences, Fines and Penalties — https://www.hasil.gov.my/en/perundangan/kesalahan-denda-dan-penalti/ (LHDN)

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