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An IRAS interview file should be narrower than the whole company archive but complete on the questioned transactions.
For a SGD 2.5 million issue, invoices, bank records, emails and working papers need to tell one consistent chronology.
Caira can build an interview prep bundle without inventing explanations before records are checked.
Do not let different staff give different informal accounts of the same transaction.
An IRAS investigation or interview request can make even organised taxpayers feel exposed. It's not just about tax payable. There’s also the worry of missing invoices, director decisions, overseas income, or staff who actually handled records. A rushed explanation often leaves gaps. The right first move is calm document control. Do not invent records, backfill invoices, delete messages, or try to coach witnesses.
Create a factual file. Get qualified tax or legal information and a document review before making substantive statements.
The official IRAS investigation page remains the authority for the public-facing investigation lane. For statutory obligations and context, refer to the Income Tax Act. eLitigation searches can show how Singapore tax disputes or prosecutions become evidence-heavy. But these cases are only examples. Use caution: you cannot predict whether IRAS will compound, prosecute, accept your explanation, or reduce a penalty, just by looking at previous examples.
Understand The Request
Read the IRAS letter or email slowly. Make a clear one-page summary. Record these details: tax type, years of assessment, company or individual name, records requested, interview date, officer contact, deadline, and whether originals, copies, explanations, or in-person attendance are needed. If it concerns a company, state your role—director, employee, ex-director, shareholder, authorised representative, or taxpayer.
Don't assume the investigation is limited to the first document requested. A request for invoices can lead IRAS to check deposits, related-party payments, withholding tax, director fees, property income, overseas remittances, GST-adjacent records, or expense claims. Keep your summary factual. Avoid internal labels like fraud or mistake until Caira reviews your file.
Core Records To Gather
IRAS notices, investigation letters, interview requests, prior correspondence, tax returns, notices of assessment, objections, payment records, and penalty letters.
Bank statements, credit-card statements, brokerage records, property rental statements, director-fee records, dividend vouchers, employment income records, and overseas income documents.
Sales invoices, purchase invoices, receipts, contracts, delivery records, payment vouchers, accounting ledgers, audit files, bookkeeping software exports.
Company records: board minutes, management accounts, payroll records, shareholder loans, related-party schedules, expense reimbursement policies.
Communications with accountants, bookkeepers, finance staff, customers, suppliers, banks, and overseas advisers. Separate material that could be privileged before Caira reviews it.
List any missing records. For each, note its name, period, last known custodian, why it’s missing, and what you’ve done to retrieve it.
For interviews, also prepare an identity and role chronology. For example, a director who joined later needs different evidence from a founder who approved every payment. A family member who signed cheques might not know how tax returns were prepared. These differences matter. Advisers must see who can explain which facts, and who cannot.
Simplified Chinese Evidence List
Use this bilingual checklist for a Mandarin-speaking taxpayer or director: 税务局来信日期；涉及税种和课税年度；要求提交的资料；面谈日期；银行流水；发票和收据；合同；会计账簿；董事费和薪金；海外收入；缺失文件说明；负责人员；需要专业顾问确认的问题。 Keep this as an index, not a prepared confession or script.
Reconstruct Without Manufacturing
If records are missing, rebuild the trail step by step. Request bank copies, accounting-system exports, supplier statements, customer confirmations, tenancy agreements, platform reports, and archived emails. Mark anything reconstructed, and make this clear. Never create backdated invoices. Do not ask anyone to change old descriptions. A credible note explaining the gap is often safer than a perfect-looking but false file.
For high-income individuals, watch common trouble spots: director fees, bonuses, property income, overseas employment or consulting income, investment gains, private expenses paid by a company, and family transfers. Directors should note common company issues too—cash sales, subcontractor payments, related-party charges, withholding tax, and whether the accounting treatment matches the documents.
Before The Interview
Prepare a chronology, exhibit index, and adviser questions. Clarify: Which years are under investigation? Which returns were filed by whom? Who kept the books? What figures are disputed? Which documents are missing? Which explanations rely on memory, not documents? Where unsure, say so. Guessing in an interview can bring more risk than admitting you need to check a record.
Ask Caira or a qualified adviser how to handle privilege, representation, corrections, and IRAS communications. This article is not a statement strategy or advice on what to say. It’s a preparation framework. Preserve documents, identify gaps, separate personal and company records, and make the timeline accurate enough that your adviser can work without a scramble.
The main goal is to keep the process organised while protecting both civil and criminal-risk positions. A well-ordered bundle shows what IRAS asked for, what you have, what is missing, who knows each fact, and what needs professional judgment before any major response.
Document wording to adapt
Please preserve all emails, ledgers, invoices, bank records, contracts, working papers and chat exports relating to the transactions identified by IRAS.
Sources
IRAS
Singapore Statutes Online
This article is general information, not legal, financial, medical or tax advice.
