Inter-company Loans: When Do They Become a Tax Risk for Businesses?

Within multinational groups and enterprises engaged in related party transactions, inter-company loans are a common financing solution used to optimize cash flow and meet the funding needs of member entities. However, if these loans are not established in accordance with the Arm's Length Principle or are not supported by adequate documentation, tax authorities may regard them as transactions with potential transfer pricing risks and make corresponding tax adjustments.

So, where is the line between a legitimate inter-company loan and one that may trigger tax scrutiny or reassessment? This article explores the key issues businesses should pay close attention to.

What Are Inter-company Loans?

An inter-company loan is a financial transaction between enterprises that have a related party relationship, such as between a parent company and its subsidiary or among companies within the same corporate group.

The primary purposes of such loans typically include:

• Providing working capital support;

• Financing investment projects;

• Optimizing cash flow management across the corporate group.

Although inter-company financing is a common corporate financial management practice, these transactions occur between related parties and are therefore subject to tax regulations governing related party transactions. Consequently, businesses must demonstrate that the loan terms and conditions have been established in accordance with the Arm's Length Principle.

Why Are Inter-company Loans a Key Focus During Tax Audits?

In recent years, tax authorities have increasingly intensified their review of related party transactions to prevent profit shifting among companies within the same corporate group.

For inter-company loans, tax authorities generally focus on evaluating the following factors:

• Whether the interest rate reflects market conditions;

• The purpose of the loan;

• The borrower's financial capacity;

• Supporting documentation for the transaction;

• Whether the loan facilitates profit shifting through interest expenses.

If a business cannot demonstrate the commercial reasonableness of the transaction, both the interest expense and other loan conditions may be adjusted when determining its tax liabilities.

Common Tax Risks Faced by Businesses

Interest Rates That Do Not Comply with the Arm's Length Principle

One of the most common risks arises when a business applies an interest rate that is significantly lower or higher than prevailing market rates.

In such cases, tax authorities may adjust the interest rate based on the Arm's Length Principle, thereby recalculating the taxable income of the related parties involved.

Interest Expenses That Are Not Tax Deductible

Under tax regulations governing enterprises engaged in related party transactions, not all interest expenses are deductible for Corporate Income Tax (CIT) purposes.

If the interest expense exceeds the statutory limitation or fails to satisfy applicable requirements, the excess portion may be disallowed as a deductible expense, resulting in an increase in the enterprise's Corporate Income Tax liability.

Insufficient Transfer Pricing Documentation

Many businesses execute loan agreements without preparing sufficient documentation to substantiate the interest rate, loan terms, and pricing methodology.

During a tax audit, inadequate documentation can make it difficult for the business to explain and defend the commercial reasonableness of the transaction.

Loans Without a Clear Business Purpose

If a business cannot demonstrate that the borrowed funds are used for business operations, production activities, or investment purposes, tax authorities may challenge the deductibility of the expenses arising from the loan transaction.

Therefore, maintaining documentation such as capital utilization plans, investment approvals, and evidence of actual fund flows is critically important.

What Should Businesses Prepare?

To minimize tax risks associated with inter-company loans, businesses should establish proper transaction documentation from the time the loan is originated rather than waiting until a tax audit occurs.

The documentation should generally include:

• A comprehensive loan agreement containing all essential terms and conditions;

• An interest rate policy based on market conditions;

• Transfer Pricing Documentation prepared in accordance with applicable regulations;

• Loan disbursement and repayment records;

• Documentation demonstrating the purpose of the loan;

• Board resolutions or management approvals authorizing the loan.

Maintaining complete documentation not only helps businesses comply with regulatory requirements but also provides a solid basis for responding to inquiries during tax audits and inspections.

Management Perspective: Inter-company Loans Are More Than Just a Tax Issue

Beyond tax compliance, businesses should also consider inter-company financing from a broader corporate financial management perspective.

A transparent, consistent, and market-based inter-company lending policy can help businesses:

• Optimize the group's capital structure;

• Manage transfer pricing risks effectively;

• Enhance the transparency of financial reporting;

• Reduce the likelihood of disputes with tax authorities;

• Strengthen the confidence of investors and independent auditors.

This is also the approach increasingly adopted by multinational enterprises to comply with international tax and corporate governance standards.

Conclusion

Inter-company loans are an important financial instrument that enables companies within the same corporate group to optimize capital allocation and improve cash flow efficiency. However, because these transactions occur between related parties, businesses must pay particular attention to the Arm's Length Principle, transfer pricing documentation requirements, and tax rules governing interest deductibility in order to minimize tax risks.

As tax authorities continue to intensify their scrutiny of related party transactions, proactively reviewing inter-company financing arrangements and establishing robust loan management policies from the outset will not only ensure legal compliance but also strengthen corporate financial governance and reduce future tax exposure.

If your business is currently involved in inter-company lending or requires a review of its transfer pricing documentation, contact Việt Úc Auditing. Our experienced professionals can assist in evaluating tax risks, preparing compliant documentation, and providing practical solutions tailored to current tax regulations.

Viet Australia
Viet Australia Auditing Company is an independent auditing organization licensed and established in 2007 in the Socialist Republic of Vietnam.