How AI Powers China’s Golden Tax System, Audits, Transfer Pricing

AI is changing the practice of tax law. This series examines the ethical, legal, and practical implications of AI across key areas of tax practice.

China’s Golden Tax IV system, powered by Big Data and AI, is actively rewriting the rules of tax enforcement—intensifying audits with a precision that increasingly catches companies off guard. Compounding the pressure, the national fiscal deficit-to-GDP ratio in China has more than doubled over the past 12 years. In this high-stakes environment, companies must adopt more conservative tax policies while simultaneously strengthening their data science governance.

US multinationals began entering China more than three decades ago, benefiting for many years from tax incentives and relatively light tax enforcement. That fiscal environment has now decisively changed.

China’s fiscal pressures have intensified: The national deficit-to-GDP ratio has more than doubled over the past 12 years, while local governments are under growing strain. Against this backdrop, the 15th Five-Year Plan (2026–2030), with its emphasis on economic self-reliance and high-quality development, reinforces the broader policy rationale for stronger revenue collection. US multinationals should anticipate a marked increase in tax enforcement, driven in large part by the full implementation of Golden Tax IV system.

In the last 2 years, tax audits conducted in China have intensified and expanded into several new sectors. In addition to transfer pricing, tax authorities are increasingly scrutinizing the beneficial ownership status of overseas dividend recipients, reassessing companies’ eligibility for High and New Technology Enterprise status and its reduced tax rates, and examining companies’ claims for super deductions related to research and development expenses.

These enforcement trends will only accelerate during the current 15th Five-Year Plan (2026–2030), according to statements made at the National Tax Work Conference held by the State Taxation Administration, China’s national tax authority in Beijing on Jan. 28, 2026. At the conference, STA Director Hu Jinglin articulated the agency’s mission to “scientifically and precisely strengthen tax supervision and inspection,” establish a “full-chain, high-efficiency tax revenue governance system,” and “integrate the advancement of law-based taxation, data-driven taxation and strict taxation.” China State Taxation Administration, New Chapter in the Practice of Chinese Modern Taxation During the 15th Five-Year Plan Period .

Tax enforcement is increasingly data-driven, powered by the Golden Tax IV system. The system’s power doesn’t just come from technology, but from the state’s authority to mandate its universal adoption—a capability possible only in a command-and-control economy like China, where the state can create a “nationally unified database cutting across scores of government agencies” and demand real-time access to company data.

This means tax data isn’t siloed but can be cross-referenced with customs data (to verify import/export figures), banking data (to confirm cash flows), utility data (to check if a factory’s electricity usage matches its declared production), and even logistics data. This “360-degree view” is possible only because the state can compel all these various agencies and companies to share their data with tax authorities.

Golden Tax IV

China has a comprehensive, multi-agency data integration system that is distinct from other countries’ tax enforcement systems. In many Western countries, stringent data privacy laws, legal barriers between government agencies, and societal norms around corporate privacy would make a centralized consolidation of information legally challenging or impermissible.

The Golden Tax IV System, officially the China Taxation Administration Information System, originated in the 1990s as a national e-government project to modernize tax collection and combat fraud. Its development has progressed through distinct phases. Phase I, launched in 1994, introduced a VAT cross-audit system primarily targeting invoice fraud. The latest Phase IV, initiated in 2021, represents a fundamental shift from “managing tax through invoices” to “managing tax through data.”

For a complete 360-degree view, Phase IV integrates data from multiple government agencies, including:

• the General Administration of Customs;
• the State Administration of Foreign Exchange;
• the Ministry of Human Resources and Social Security (employee contribution records);
• the Bureau of Market Regulation (business registration changes); and
• utility providers (electricity and water consumption) complete this 360-degree view.

The system also accesses an unprecedented scope of internal company data, including:

• core financial records (tax filings, electronic fapiao (certified invoice), general ledger data);
• operational data (inventory levels, procurement records, point-of-service transactions);
• payroll details (employee rosters, individual income tax records, social insurance contributions);
• banking information (corporate account flows and personal account activity of key personnel); and
• asset records (fixed asset registers, utility consumption, raw material purchases).

This comprehensive data lake supports sophisticated AI-driven analytics, transforming tax auditing. By employing machine learning algorithms, the system establishes dynamic industry benchmarks and identifies anomalies in real time.

Revenue by Source

In China, income tax audits have historically taken a back seat to economic incentivization. In China, unlike the US, tax revenue is raised primarily through VAT and other indirect taxes. Income tax only provides 32% of revenues. Approximately 60% of US federal tax revenues is derived from corporate and personal income tax—with individual income taxes alone accounting for roughly 50%. This highlights just how fundamentally different the two tax bases are and reinforces why audit priorities have historically differed. The following exhibit presents Chinese tax revenue by source.

Ministry of Finance (PRC). Annual National Fiscal Revenue and Expenditure (2025) (accessed Feb. 24, 2026).

Fiscal Imperative for Audits

China’s national deficit-to-GDP ratio has risen sharply over the past decade from a low of 1.6% in 2012—when policymakers sought to keep the ratio below 3%—to a record 4% in 2025. For context, the current US federal deficit-to-GDP ratio stands at 5.8%.

China’s official deficit figures, however, tell only part of the story. A significant portion of government borrowing occurs “off-budget” through local government financing vehicles and other mechanisms. The International Monetary Fund, in its 2025 Article IV consultation, estimated that the broader general government deficit—which includes local government financing vehicles, policy bank debt, and social security funding that are outside the regular budget—could be significantly higher at 8.7%. IMF. Executive Board Concludes 2025 Article IV Consultation with China (accessed on Feb. 24, 2026).

Collectively, these pressures have transformed tax audits from a routine administrative function into the frontline mechanism for closing persistent budget gaps.

• Land sales revenue—historically a cornerstone of local funding—has collapsed. Revenue from land-use rights declined for a fourth consecutive year in 2025, dropping 14.7% to 4.15 trillion RMB. This marks a staggering 52.3% decline from the peak of 8.7 trillion RMB in 2021, eroding a critical funding source for local coffers. Ministry of Finance (PRC). Annual National Fiscal Revenue and Expenditure (2025) (accessed Feb. 24, 2026).
• Local governments face an escalating debt burden, with a growing portion of current revenue consumed by servicing existing obligations.

The economic slowdown continues to suppress tax revenue. Fixed-asset investment declined 3.8% in 2025—its first annual drop in decades—while real estate investment plunged 17.2%. Xinhua News Agency. China’s Fixed-Asset Investment Down 3.8% in 2025

• Deflationary pressures compound these difficulties. The GDP deflator declined approximately 1% in 2025, marking the longest deflationary stretch since data collection began. Even with stable sales volumes, nominal corporate revenues shrink under deflation, directly contracting the tax base.
• With corporate investment declining, tax bureaus are adjusting their approach. Local governments have historically offered tax incentives to attract investment. But as investment levels fall, authorities are shifting from revenue forbearance to revenue enforcement.

Hiring Tax Officials

Reflecting the new prioritization on tax collection, more tax officials are being hired.Central and local government tax departments plan to recruit 25,000 staff in 2026, accounting for two-thirds of the new bureaucrats to be appointed from among the millions taking part in fiercely competitive national exams.

The plans mark a fourth successive year of heavy recruitment of tax officials. The increase in tax-department hires comes despite an expected slight reduction in overall civil service recruitment this year. A tax authority official stated that new tax personnel will require “skills in accounting and artificial intelligence data analysis.” Financial Times, China Goes on Hiring Spree for Tax Officials as Fiscal Pressures Mount

Types of Audits

AI generated audit areas. Golden Tax IV will generate for each company a customized list of areas to be investigated and will make this list available to the in-charge official of that company. The report will flag 25 to 40 potential micro-risk areas, such as Land VAT, stamp duty, and underreporting of wages and salaries, and provide details on why these items were flagged. Ultimately, only a few items will prove to be of interest. However, a concern for multinationals is that the system can rapidly identify all possible deviations from the norm, thereby either exposing them to tax investigations or forcing them to defend positions that are not clearly defined. This type of AI-generated investigative sheet is expected to only become more sophisticated, as the system grows more intelligent through experiential learning.

Beneficial ownership audits. Dividends paid from China to the US and most other jurisdictions are subject to a 10% withholding tax. By contrast, dividends paid from China to Hong Kong, Singapore, the Netherlands, and other jurisdictions with favorable tax treaties may qualify for a reduced 5% withholding rate. As a result, US multinationals commonly establish Hong Kong holding companies to own their Chinese subsidiaries and receive dividend distributions.

To benefit from the reduced rate, however, the Hong Kong holding company must qualify as a “Beneficial Owner” under the criteria set forth in State Taxation Administration Bulletin [2018] No. 9, meaning they must have the substance and capability to be a holding company and can’t be shell companies. The STA has selected 181 companies to assess whether they meet the Beneficial Owner criteria. In these audits, authorities scrutinize several factors, particularly: (i) whether the holding company possesses employees and genuine commercial substance; and (ii) whether dividends are being paid to a resident of a third country within a short period (e.g., 12 months).

Online vendor tax crackdown. The “Regulations on the Reporting of Tax-Related Information of Internet Platform Enterprises,”effectiveJune 20, 2025, require internet platforms to submit quarterly reports to tax authorities containing the identity and income information of operators and practitioners on their platforms. The first such reporting period began Oct. 1, 2025, covering data from the third quarter.

Since a new regulation came into effect in October, platforms such as Alibaba, Shein and Amazon have been submitting data that indicates merchants’ profits, including names, orders, sales and virtual gifts or digital tokens, according to documents released by local tax bureaus. Tax authorities target vendors whose self-declared income was substantially lower than the amounts reported by platforms, significantly narrowing the gap of tax burden between online and offline merchants.

Audit of tax preferences: HNTE under scrutiny. One of the most widely used tax preferences in China is the High and New Technology Enterprisestatus, which entitles qualified companies to a reduced 15% corporate tax rate ( standard is 25%). Local governments have historically encouraged companies—including some that may not have fully met the criteria of spending 3% of revenues on R&D—to apply for HNTE status.

That landscape is now changing. The Golden Tax IV system flags amounts claimed for the R&Dsuper deduction benefit whenthe 3% threshold required is not met. As a result, authorities are now conducting project-by-project audits of R&D functions to verify eligibility.

Tracking personal overseas income.In principle, all Chinese residents are required for tax purposes to declare their overseas income; in practice, however, this requirement historically hasn’t been enforced.This has now changed as local tax authorities are using big data analyses to identify taxpayers who failed to report overseas earnings. China participates in the Common Reporting Standard, a global framework for the automatic exchange of financial account information. Under the CRS, mainland China’s tax authorities can obtain information on financial assets held by individual Chinese taxpayers in other participating jurisdictions

Investigating high-income celebrities.Chinese tax authorities are intensifying scrutiny of the country’s highest earners. In a December 2025 briefing, the Dai Shiyou, head of policy and regulation, STA disclosed that it had investigated 1,818 “dual-high” individuals—a classification encompassing high-income and high-net-worth taxpayers, including online influencers and celebrities—during the first 11 months of 2025, recovering approximately 1.52 billion yuan ($215 million) in unpaid taxes. China Daily, Over 5b Yuan Unpaid Taxes Recovered From Fuel Stations, ‘Dual-High’ Individuals (accessed on Feb. 24, 2026)

Super R&D investigations. China’s R&D super deduction policy allows eligible companies to deduct more than 100% of their qualifying R&D expenses from taxable income. As of 2023, the standard super deduction rate is an additional 100 % for all qualifying enterprises, meaning a company can deduct RMB 200 for every RMB 100 spent on eligible R&D.

This incentive creates strong motivation for companies to inflate their qualifying R&D expenses, and tax authorities have responded by deploying increasingly sophisticated digital audits to detect such abuses. For instance, they cross-reference cloud service provider records with invoice descriptions to flag companies improperly claiming cloud platform rental fees as R&D expenses—a common loophole that has led to significant adjustments. These AI systems analyze patterns, flag anomalies, and compare claims against industry norms, making it far harder for companies to disguise ordinary operating costs as innovative research.

Value Chain Analysis

China subscribes to the OECD transfer pricing methods, and this has led US companies in China to almost universally use a Transactional Net Margin Method where the Chinese subsidiary is guaranteed a risk-free modest profit based solely on local functions and where overseas profits are ignored. But when it comes to an audit, this analysis gets pushed aside. Instead, Chinese tax authorities have pioneered the use of “value chain” methodology, which can produce adjustments many orders of magnitude larger than the TNMM.

The value chain analysis proceeds in two parts. First, it assesses a company’s revenue and resource allocation in China relative to global operations. Because China typically represents the largest market and employment base, this analysis allocates substantial profit to China.

Second, it examines profit connected to China that is booked in low-tax jurisdictions or tax havens such as the Cayman Islands and BVI. Generally, China’s share of global profits falls well below its economic heft.

A prior study of country-by-country data by the author found that for US companies, China captured only 3% of total foreign profits, while Singapore—with significantly fewer employees—captured 7.5%. More strikingly, Bermuda, the British Virgin Islands, and the Cayman Islands collectively captured 13.5% of total foreign profits of US multinationals. Given China’s dual role as “factory of the world” and “largest market in the world,” the STA would consider this inconsistent with the OECD’s BEPS principle that “profits should be reported where economic activities take place.” DeSouza, G, Bloomberg Tax. IRS Releases Country-by-Country Filings: Insights on Tax Havens, Effective Tax Rate.

The Country-by-Country Report represents a critical source of information for value chain transfer pricing audits. US multinational enterprise groups with $850 million or more in revenue must file IRS Form 8975, Country by Country Report, disclosing for each jurisdiction: (i) revenue, (ii) profits, (iii) income tax paid, (iv) number of employees, and (v) assets. While the CbCR is exchanged under bilateral Competent Authority Arrangements with many countries, China has no such agreement with the US and therefore can’t access these reports.

Nevertheless, the Chinese tax authorities during an audit will demands financial information on all entities in the value chain, with tax havens receiving particular scrutiny. US multinationals must therefore defend transfer pricing positions using not only traditional TNMM benchmarking but also a curated value chain analysis that incorporates parent-company intellectual property—an asset the STA tends to ignore—alongside robust transactional analysis.

The Next Five Years

Golden Tax IV, combined with China’s lengthy audit window, significantly heightens tax risk. In transfer pricing and anti-avoidance cases, the statute of limitations extends to 10 years; when roll-forward adjustments are taken into account, taxpayers may face scrutiny of 15 years or more of historical data. Many multinationals remain digitally behind, with fragmented record-keeping that cannot easily produce a decade of defensible transfer pricing documentation when challenged.

In response to this new era of intensified and high-stakes audits, US multinationals should take the following actions:

• Simulate value chain analysis to identify vulnerabilities, stress-testing how revenue and profits would be allocated under China’s methodology. For example, if China accounts for 20% of global revenue but less than 2% of global profits, this could signal exposure.
• Assess audit risk for major subsidiaries, prioritizing those with large employee bases or connections to tax havens.
• Accelerate tax data digitalization by implementing systems that can organize, archive, and retrieve historical records spanning 10 to 15 years.
• Review holding structures and beneficial ownership qualifications, ensuring they meet the substance requirements of STA Bulletin [2018] No. 9 to secure treaty benefits.
• Reassess tax incentives such as HNTE status, weighing benefits against heightened scrutiny of R&D functions and IP ownership.
• Update FIN 48 reserves to reflect the new and real risks of material adjustments in this enforcement environment.

This article does not necessarily reflect the opinion of Bloomberg Industry Group, Inc., the publisher of Bloomberg Law, Bloomberg Tax, and Bloomberg Government, or its owners.

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Author Information

Dr. Glenn DeSouza is a Senior Partner and National Transfer Pricing Leader at Dentons’ Shanghai office.

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