Short answer. Tax problems usually start in the books: unrecorded income or expenses, missing receipts, director loans handled incorrectly, capital and revenue items mixed up and year-end cut-off errors. Fix them by keeping monthly records, supporting every entry with a document and having the accounts reviewed before the tax return is filed.
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In this article
Unrecorded income and expenses
Income that is not recorded leads to under-reported profit; unrecorded expenses lead to overpaid tax. Reconcile every bank account and payment platform to the ledger.
Missing receipts and documents
An expense without a document may be disallowed on review. Keep invoices and receipts in the company’s name, with proof of payment. See what documents to send your accountant.
Director loan and personal expense errors
Need this done for you? Axecta’s compliance health check team can handle this for your company. See the compliance health check service.
When the company pays personal expenses, or directors lend to or borrow from the company, the entries must reflect the substance. Misrecorded balances cause questions during audit and review. Document loans and repayments, and settle who owes whom.
Wrong classification of capital vs revenue items
Buying equipment is capital expenditure and generally gets capital allowances rather than a direct deduction. Repairs are revenue. Putting an item in the wrong category changes the tax result. See which expenses are deductible.
Year-end cut-off errors
Sales and costs must be recorded in the right period. Missing accruals, prepayments or stock adjustments distort profit. A year-end checklist catches these.
How to fix them before filing
- Reconcile all accounts.
- List unusual or large entries and check support.
- Review director and related-party balances.
- Check the capital and revenue split.
- Review cut-off at year-end.
- Reconcile the tax computation to the accounts before you file Form C.
Axecta’s accounting and tax teams work together, so the accounts you file with SSM and the tax return you file with LHDN agree.
Where tax rules meet bookkeeping
- Estimate vs actual. LHDN’s CP204 page requires an estimate not less than 85% of the preceding-year estimate and allows revisions in months 6, 9 and 11. Without monthly accounts, you cannot revise sensibly.
- Deductibility. Section 33(1) of the Income Tax Act 1967 requires expenses to be wholly and exclusively incurred in producing income, and section 39 lists those not deductible. Poor coding makes the add-backs wrong.
- Rate band. The small-company bands depend on paid-up capital and gross business income (LHDN rates). Misstating either changes the tax.
- Filing. Form C is due within 7 months after the close of the accounting period (LHDN).
Year-end review list
| Area | Check |
|---|---|
| Revenue | Cut-off, unbilled work, credit notes |
| Costs | Accruals, prepayments, private items |
| Assets | Capital vs revenue, disposals |
| Directors | Loans, drawings, fees |
| Tax | CP204 instalments paid, tax computation reconciled |
Frequently asked questions
What accounting errors trigger tax queries?
Unrecorded transactions, unsupported expenses, wrong classification and mismatches between accounts and returns.
Can I fix past mistakes?
Often yes, by correcting the records and, where needed, amending returns. Get advice first.
Do I need receipts for everything?
You need adequate supporting documents for what you claim.
How far back can LHDN review?
The period is set by the Income Tax Act 1967; check the current rule. Axecta can advise.
Why do bookkeeping errors affect tax?
Tax starts from accounting profit, so errors carry into the computation.
Which sections cover deductions?
Sections 33(1) and 39 of the Income Tax Act 1967.
Can the estimate be revised?
Yes, in months 6, 9 or 11 of the basis period.
Want your accounts reviewed before filing?
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Keep reading
- Form C Filing Deadline and Common Mistakes
- What Business Expenses Are Tax-Deductible in Malaysia?
- Monthly Bookkeeping vs Annual Accounts
- Signs Your Business Needs an Outsourced Accountant
- SST Late Filing and Payment Penalties in Malaysia: Rates, Offences and How to Fix a Miss
- Common e-Invoice Mistakes Made by SMEs
- What Happens When a Company Misses a Filing Deadline?
- Compliance Mistakes: the full guide
Official sources to check
- LHDN
- Income Tax Act 1967
This article is general information and not legal, tax or accounting advice for your company. Rates, thresholds, deadlines and procedures change, so confirm current requirements with the sources above or with Axecta.