Resources · Practical Guide
Regulatory framework of Vaca Muerta
The legal, concession and environmental system every company must understand before operating in the Neuquén Basin. Law 17,319 · Law 27,007 · Law 27,742 · Decree 1342/2015.
01 — Legal architecture
A provincial regime with multiple layers
The Argentine regulatory system for hydrocarbons operates on three simultaneous levels that any company must navigate from day one. Understanding the hierarchy of rules —and knowing which body has the final say on each matter— is the starting point for any operation in the basin.
The laws that structure the sector
| Law | Year | What it establishes |
|---|---|---|
| Law 17,319 | 1967 | The founding hydrocarbons law. Defines permits, concessions, royalties and the role of the State. |
| Law 26,197 (“Ley Corta”) | 2007 | Transfers ownership of the fields to the provinces. Neuquén becomes the granting authority. |
| Law 27,007 | 2014 | Creates the Unconventional Exploitation Concession (35 years + pilot period of up to 5 years). |
| Law 27,742 (“Ley Bases”) | 2024 | More than 40 amendments to the regime. Removes the 12% royalty cap, allows free export and introduces the RIGI. |
Three levels, a single operation
- Federal — National Energy Secretariat. National energy policy, reference prices, exports and hydrocarbons regulation (Law 17,319 and amendments)
- Provincial (Neuquén) — Undersecretariat of Hydrocarbons. Grants permits and concessions, sets royalties, and oversees environmental and labor compliance in the basin
- Municipal — Añelo, Neuquén city, Zapala. Municipal levies, business licenses, construction permits and land use
02 — Concessions
How they are granted and how long they last
The right to explore and produce hydrocarbons in Vaca Muerta is obtained exclusively through the provincial concession system. There is no direct access to the resource without a concession granted by the Province of Neuquén, and in practice every new concession mandatorily includes Gas y Petróleo del Neuquén (GyP) as a partner.
Types of concession and their terms
| Type | Duration | Extension |
|---|---|---|
| Exploration permit (unconventional) | Up to 4 years | Additional periods negotiable |
| Pilot period (unconventional) | Up to 5 years | Integrated into the exploitation concession |
| Unconventional exploitation concession | 35 years | Up to 10 additional years (+3% royalty per period) |
Royalties and fees: the provincial economics
- 15% base — standard royalty for new unconventional concessions after the Ley Bases (previously 12%)
- +6% infrastructure fee — on gross production. Negotiated in the concession agreement
- +3% per extension — each additional 10-year period adds three percentage points
- 18% ceiling — regulatory cap accumulated between base royalty and extensions
The key rule for unconventional
Law 27,007 and the Vaca Muerta framework
Before 2014 there was no specific regime for shale development. Law 27,007 was designed to give legal certainty to an activity that requires long-term investment and operating conditions radically different from conventional production.
Its innovations proved decisive: the pilot period allows the viability of a block to be assessed before committing to a full concession, and the 35-year term provides the horizon needed to amortize the continuous drilling cycles shale demands. The 2024 Ley Bases deepened this scheme by removing restrictions that discouraged exports and making royalties more flexible.
03 — Environmental regulation
Permits, impact and water: the three pillars
Argentina has no national minimum-standards law for hydraulic fracturing. Environmental regulation of the activity in Vaca Muerta falls almost entirely on the province of Neuquén, which makes approvals more agile but introduces province-specific requirements that must be understood before starting any operation.
Environmental rules applicable in Neuquén
| Rule | Subject matter |
|---|---|
| Provincial Decree 1483/12 | Specific framework for exploration and production of unconventional reservoirs. Management of flowback water, classified as Special Waste. |
| Environmental License | Mandatory prerequisite before operations begin. Granted by the Neuquén Environment Secretariat after assessing the EIA. |
| Environmental Impact Assessment (EIA) | Mandatory filing. Analyzes impacts on soil, water, air, communities and biodiversity in the area of influence. |
| Law 899 — Water Code | Governs use of water resources. In a basin under severe water stress, water management is a critical approval factor. |
| Decree 790/99 | Water quality standards. Applicable to effluent discharge and reinjection. |
Water: the most critical resource
Each horizontal well in Vaca Muerta requires the equivalent of roughly nine Olympic swimming pools of water over its life. In a region under severe water stress, with active tensions with farming activity in the Alto Valle of the Río Negro, water management is both a regulatory requirement and a social licence factor.
- Fracturing water — source, volume and replenishment plan must be specified in the EIA and approved by the provincial water authority
- Produced water (flowback) — classified as Special Waste. Requires treatment, reinjection or certified disposal
- Recycling technologies — the leading operators (YPF, Vista, PAE) recycle between 30% and 70% of produced water. It is an emerging niche of high demand for service companies
04 — The union factor
The labor component that shapes the operation
For most companies entering Vaca Muerta, the union factor is the operating variable that produces the most surprises. It is not an abstract risk: it is a concrete condition of the operation that requires active management from day one.
The collective agreements that govern the basin
Concrete labor risks
- Scope-of-agreement disputes — disagreement over which agreement governs a specific task is a frequent source of strikes and retroactive claims. It requires a legal opinion before contracting
- Union hiring hall — operational staff must be recruited through the Oil Workers’ Union hiring hall. It is not optional
- Workers’ compensation audits — compliance with workers’ compensation insurers is audited monthly. Non-compliance triggers suspension of operations
- Cyclical strikes — they cluster around wage negotiations, safety incidents and waves of layoffs. In 2025 there was a general strike in April, a 48-hour walkout in July and Teamsters’ blockades in August
The 2017 Productivity Agreement and the “Social Peace Shield” aim to reduce conflict by establishing prior conciliation mechanisms before industrial action. The government systematically uses mandatory conciliation to avoid total shutdowns. Even so, strikes remain cyclical and represent the operational risk with the greatest immediate impact in the basin.
05 — Setting up
How to establish a legal presence in the basin
Operating in Vaca Muerta is not simply a matter of opening a branch. It requires a deliberate legal structure, a registered address in Neuquén and specific registration with the provincial registry of hydrocarbon companies. Each of these requirements has its own timelines, costs and operational consequences that must be planned in advance.
Recommended corporate structures
- Sociedad Anónima (SA, corporation) — the preferred form for oil and gas operations. Limited liability, transferable shares, eligibility to issue debt and to be structured as a Single Project Vehicle (VPU) under the RIGI
- UTE (Unión Transitoria de Empresas, joint venture) — the dominant structure for joint ventures. Not a legal entity but an associative contract. Pass-through for income tax, a taxable person for VAT. Eligible as a VPU. Typical form: private operator + GyP del Neuquén (10% minimum)
- Foreign shareholder in an SA — must register under Sec. 123 of Law 19,550 before the VPU is incorporated or the concession is granted. It is a filing with its own timeline that is often underestimated
- Branch (Sec. 118 of Law 19,550) — possible but not advisable: it entails unlimited liability of the parent company for the branch’s obligations
Mandatory requirements to operate in Neuquén
| Requirement | Authority | Detail |
|---|---|---|
| Registration with the Provincial Registry of Hydrocarbon Companies | Neuquén Undersecretariat of Hydrocarbons | Decree 1342/2015. Mandatory for operators and non-operators. Operators must evidence technical and financial capacity; non-operators, financial capacity only. |
| Registered address in the city of Neuquén | – | Mandatory requirement. An address in Buenos Aires is not sufficient. It also affects the Neuquén Supplier Certificate (Law 3338). |
| Documentation in Spanish | – | Every filing before provincial bodies must be in Spanish. Translations must be certified. |
| Jurisdiction of Neuquén courts | – | Mandatory submission to the jurisdiction of the courts of Neuquén for any dispute connected with the provincial operation. |
| Financial guarantees | Undersecretariat of Hydrocarbons | Must be kept current throughout the life of the concession. Amount scaled to production. |
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Professional information document; it does not constitute legal, tax or accounting advice. © Raskovsky y Asociados — Vaca Muerta Desk.
