With the rising popularity of the EPC contract model in both domestic and international engineering markets, contractors are facing increasingly complex and variable tax challenges under the current tax system. Due to incomplete national tax policy coverage, contractors have communicated extensively with tax authorities and attempted to split EPC contracts into equipment supply and installation contracts. Early in the project, this approach was somewhat acknowledged by tax authorities and proved effective. However, as tax authorities focus on business tax payments for materials provided by Party A, splitting EPC contracts no longer fundamentally addresses the tax risks inherent in EPC project management.
Keywords: EPC model, taxation
The EPC contract model is gaining traction in the international engineering contracting market, with China actively promoting it beyond traditional industries like petrochemicals, expanding into power, mining, and others.
EPC stands for Engineering, Procurement, and Construction Management Contracting (EPCm). Under this model, the general contracting enterprise undertakes all phases of engineering construction — including design, procurement of equipment and materials, construction, and trial operations — as stipulated in the contract. Ultimately, the contractor delivers a project that meets functional requirements and usability standards to the owner, taking full responsibility for quality, schedule, cost, and safety.
1. Characteristics of the EPC General Contracting Model
Compared to traditional contracting methods, the EPC model features:
(1) Applicability to large-scale industrial investment projects, such as petroleum, chemical, metallurgical, and power industries. These projects typically require large investments, specialized technical expertise, and complex management. Equipment and materials often make up a significant portion of total investment, with lengthy procurement processes and many customized devices.
(2) Expanded contractor responsibility. Traditionally, owners assign design, procurement, and construction to separate contractors — design institutes handle design, construction contractors handle construction, and owners may purchase key equipment and materials themselves. Under EPC, owners focus on overall management and delegate design, procurement, and construction services to a single general contractor, integrating these components into a cohesive structure. This integration avoids disjointed processes and enables comprehensive technical and economic optimization of the project.
(3) Use of lump-sum contracts. Given the large investments, long construction periods, complex technologies, and uncertainties in EPC projects, lump-sum contracts with nearly fixed total prices are common. Contractors typically cannot adjust prices due to cost changes. Owners prefer fixed bidding prices to control investment and production timelines, making lump-sum contracts characteristic, though not exclusive, to EPC projects.
2. Tax Challenges in the EPC General Contracting Model
The EPC model, as an innovative construction approach, differs notably from traditional modes, but China currently lacks specific tax laws regulating it. This leads to multiple tax issues for general contracting enterprises:
(1) Dual tax identity for general contractors. Traditionally, contractors dealt only with business tax. Under EPC, contractors cover design, procurement, and construction, involving both business tax and value-added tax (VAT). New VAT regulations require general contractors to issue VAT special invoices for equipment, necessitating their status as general taxpayers. This dual tax identity increases the complexity and cost of tax management. The dual taxation situation remains unresolved prior to VAT reforms in the construction and installation industry.
(2) Risk of classification as mixed sales by tax authorities. EPC projects typically use lump-sum contracts combining design, procurement, and construction, making contractors vulnerable to being classified as engaging in mixed sales. According to Article 5 of China’s VAT Interim Regulations Implementation Rules, if a sale involves both goods and non-taxable services (services subject to business tax), it constitutes mixed sales. For enterprises producing, wholesaling, or retailing goods, mixed sales are treated as goods sales and subject to VAT. For others, mixed sales are considered non-VAT taxable services. EPC contracts, where equipment supply dominates, are often recognized by tax authorities as mixed sales, leading to full VAT collection. Although exceptions exist, such as for taxpayers selling self-produced goods and providing construction services simultaneously (who pay VAT on goods and business tax on services), most EPC contractors sell non-self-produced equipment, limiting the application of this rule.
(3) Risk of double taxation after mixed sales classification. In most EPC contracts, equipment accounts for 60–70% of contract value, reflecting the industries where EPC is common. Contractors may be deemed primarily engaged in goods production or taxable services and required to pay VAT on the entire contract amount. This increases tax burdens and generally prevents recovery of business tax already paid on design and construction services. Some contractors attempt tax planning by adjusting contract proportions to increase labor content, but still face challenges. Owners demand VAT special invoices for input deductions, while local tax bureaus may insist on business tax payments for equipment under Article 16 of the Business Tax Interim Regulations Implementation Rules. Although official notices exclude equipment value from taxable revenue for construction projects, local tax authorities often maintain narrow or unclear equipment lists. Consequently, contractors risk paying business tax on equipment that has already incurred VAT.
3. Exploring New Approaches
To mitigate tax risks, EPC contractors actively engage in tax planning. One approach involves splitting a general contract into two: separate equipment contracts (domestic and imported) and a combined contract for design, civil engineering, and installation. This aims to distinguish sales and construction activities at the source. However, the method’s success depends heavily on local tax authorities’ understanding and acceptance, and it still carries inherent risks.
4. Recommendations for Addressing Tax Issues in EPC
(1) Before signing EPC contracts, contractors should coordinate with local tax authorities to agree on contract nature and signing methods. Due to regional variations in tax law interpretation and enforcement, early communication is essential to assess the feasibility of tax planning strategies, such as contract splitting.
(2) The government should promptly introduce policies clarifying the tax status of EPC contracting — whether as concurrent business or mixed sales. If treated as concurrent business, contractors can separately account for revenue from sales, design, and construction, paying VAT and business tax accordingly, avoiding double taxation. If classified as mixed sales, policies should specify whether previously paid business tax can be refunded.
(Author affiliation: Sanmen Nuclear Power Co., Ltd.)
References
__AI_T_SC_0_ Zhao Tuanjie, An Analysis of Tax Planning for EPC General Contracting Enterprises, Accounting Friends, 2010 (Part 2)
__AI_T_SC_0_ Meng Xianhai, Jiren Dunzhu, Zhao Qi, Comparison between EPC General Contracting Mode and Traditional Mode
__AI_T_SC_0_Chen Jinliang, How to Avoid Being Identified as Mixed Sales Behavior in Engineering General Contracting
Must log in before commenting!
Sign Up