THERE is a difference between documentation that proves a requirement was met and one that helps someone understand the business. In transfer pricing, that difference can become significant when the tax authority starts asking questions.
That gap matters more this year. The Bureau of Internal Revenue opened 2026 with Revenue Memorandum Order 1-2026, which moved audit selection toward a system-assisted, risk-based approach. Several of its indicators point straight at related party dealings. A company that posts substantial revenue but keeps reporting losses, or whose income tax due looks very small against its gross sales, should expect questions. Transfer pricing is no longer a side issue that comes up only when an examiner happens to be interested. It is part of how taxpayers get selected. The rules themselves are not new. Revenue Regulations 2-2013 adopted the arm’s length principle and required contemporaneous documentation. Revenue Regulations 19-2020 introduced BIR Form 1709, and Revenue Regulations 34-2020 set the thresholds for who must prepare documentation and gave taxpayers 30 days to produce it once the BIR asks. Thirty days may sounds generous until you try to write a functional analysis, run a benchmarking study and collect intercompany agreements from a parent company from another country, all in the middle of an audit. A report put together only after the request is rarely convincing, and examiners can usually say.
What makes transfer pricing documentation defensible?
It starts with the functional analysis, because that is where BIR examiners start. The audit guidelines under Revenue Audit Memorandum Order 1-2019 direct them to understand what the taxpayer actually does, what assets it uses and what risks it carries before they look at any financial statements figures. If the report calls the company a limited-risk manufacturer, but the audited financial statements show inventory write-downs, bad debts and foreign exchange losses, the limited-risk no longer fits and neither the benchmarking built in it. The best functional analyses shall be written after sitting down with the operations head, the sales manager and the finance team, not by editing the latest documentation. They describe a real business: real departments, real people and a clear line on who decides what. Consistency is the second test. An examiner will lay the report beside Form 1709, the related party note in audited financial statements, income tax return and related party agreements. The amounts should tie and where they do not, the report should explain why. Adjustments are sometimes proposed not because the pricing was wrong, but because these documents gave three different figures for the same services or goods sold. Third, the benchmarking must be defensible on its own terms. Choosing the transactional net margin method because it is convenient is not a reason, so the report should say why the other methods were set aside. The search for comparable companies should be traceable step by step, so that a BIR examiner who repeats it will have at roughly the same set. If local comparables are scarce, which is common here, regional set can be used but justifying it is another challenge. And when the tested party’s margin falls outside the interquartile range, deal with it openly. A pandemic year, plant shutdown, lost customer or startup phase are legitimate explanations, but only when backed by board minutes, economic events, management reports or correspondence dated at the time.
Intra-group services deserve more attention, since management fees, shared service charges and royalties are where many assessments land. A signed agreement and an invoice are not enough. The taxpayer should be able to show that the service was actually rendered, that it gave a benefit the company would have paid an outsider for, and how the cost pool and allocation keys were arrived at. Emails, deliverables, timesheets and travel records will persuade an examiner faster than any well-written paragraph. The examiners will always deal with the substance rather than on its form. Finally, documentation should be an annual discipline. Businesses change. Functions move, product lines are dropped, industry specific changed and so the economy is. A report updated each year, with fresh comparables and a narrative checked against the year’s events, is far cheaper than defending an outdated one after a deficiency assessment has been issued and surcharge and interest have begun to accrue.
In the end, a defensible transfer pricing documentation is not built on sophisticated language alone. It is built on something much simpler: facts that are true, numbers that reconcile, agreements that reflects what the company actually does, and most importantly, documentation that reflects the realities of the industry and broader economic environment at the time.
Christian Martinez is a partner of Alas Oplas & Co. CPAs and a member of Acpapp.