The Shifting Architecture of Global Carbon Markets
For more than a decade, Indian project developers operated under the Clean Development Mechanism (CDM) framework of the Kyoto Protocol. Under that regime, emission reductions achieved in developing nations were sold to industrialized nations or voluntary buyers without affecting the host country’s domestic emission targets. Developing nations had no binding mitigation commitments under Kyoto, meaning issues of international double counting did not conflict with national balance sheets.
The Paris Agreement replaced this bifurcated structure. Every signatory party, including India, must now submit and update its Nationally Determined Contributions (NDCs). As a result, carbon credits can no longer be exported across borders without direct accounting implications for the host country. Article 6 establishes the mechanisms governing international carbon transactions, while Corresponding Adjustments (CAs) serve as the primary accounting safeguard against double counting. For Indian project developers, navigating these rules is critical to securing international buyers, avoiding sovereign-level compliance bottlenecks, and protecting project revenues.
Article 6: Mechanisms and Operational Rules
Article 6 of the Paris Agreement contains two distinct cooperative mechanisms governing mitigation transfers, alongside a non-market framework:
Article 6.2: Cooperative Approaches
Article 6.2 creates an accounting and bilateral framework that allows two or more countries to trade Internationally Transferred Mitigation Outcomes (ITMOs). These transactions can be bilateral government-to-government agreements, or they can involve private sector entities if authorized by the host country. Article 6.2 transactions are not governed by a central United Nations supervisory body; instead, they adhere to guidance established by the Conference of the Parties serving as the meeting of the Parties to the Paris Agreement (CMA), with reporting requirements verified through technical expert reviews.
Article 6.4: The Centralized Crediting Mechanism
Article 6.4 establishes a multilateral market mechanism that replaces the CDM, often referred to as the Paris Agreement Crediting Mechanism (PACM). Regulated by a dedicated Supervisory Body, this mechanism issues Article 6.4 Emission Reductions (A6.4ERs). It establishes baseline methodologies, additionality criteria, and registry infrastructures under unified United Nations governance. Developers interacting with Article 6.4 must obtain explicit host-country approval for their activities.
Understanding Corresponding Adjustments (CAs)
A Corresponding Adjustment is a formal bookkeeping entry applied in national greenhouse gas inventory accounting. When a host country authorizes an emission reduction to be transferred internationally as an ITMO or an authorized A6.4ER, it must add that quantified reduction back to its reported emission total when evaluating NDC progress. Conversely, the acquiring party subtracts that emission reduction from its national balance sheet.
This accounting symmetry prevents two sovereign entities from claiming the exact same metric ton of carbon dioxide equivalent (tCO2e) toward their climate commitments. The structural impact on developers is substantial: because granting a CA requires the host country to find alternative, often more expensive emission reductions within its domestic economy to achieve its own NDC, sovereign authorization is neither guaranteed nor cost-neutral.
- Authorized Credits: Carbon credits paired with a formal sovereign authorization and a CA. These can be utilized by acquiring countries for NDC compliance, by airlines under the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), or by corporations seeking high-assurance voluntary claims.
- Mitigation Contribution Credits: Credits issued without a host-country authorization for international transfer. These represent verified emission reductions that stay within the host country’s balance sheet, contributing directly to domestic NDC achievement while allowing corporate buyers to claim a financing contribution rather than an offsetting neutralization.
India’s Institutional Framework for Article 6
India approaches international crediting with an emphasis on protecting national emissions goals and supporting the domestic industrial transition. Developers operating within India must interface with several institutional layers:
The National Designated Authority (NDAI-PA)
The Ministry of Environment, Forest and Climate Change (MoEFCC) established the National Designated Authority for the Implementation of the Paris Agreement (NDAI-PA). The NDAI-PA serves as the clearinghouse for international carbon market engagement under Article 6. It holds the authority to approve activities, manage the national registry, and grant or withhold Article 6 authorizations.
Approved Activity Lists for Article 6.2
The Indian government published an indicative list of activities eligible for international transfer under Article 6.2. The list focuses heavily on hard-to-abate technologies and capital-intensive mitigation areas, including:
- Biochar application and production infrastructure
- Green hydrogen and green ammonia production
- Ocean thermal energy conversion and offshore wind
- Carbon capture, utilization, and storage (CCUS)
- Tidal and wave energy
- Alternate cooling and high-efficiency refrigeration systems
By restricting authorized international transfers to advanced or cost-intensive mitigation technologies, the government aims to keep lower-cost abatement options—such as mature grid-connected renewable energy—within India to fulfill its own NDC targets.
Interaction with Domestic Frameworks: CCTS and GCP
India is developing the domestic Carbon Credit Trading Scheme (CCTS) under the Bureau of Energy Efficiency (BEE), while running the Green Credit Programme (GCP) under the MoEFCC. Project developers must avoid regulatory cross-contamination:
- CCTS: A compliance cap-and-trade market for domestic designated consumers, which will evolve to include voluntary offsets. Units generated for domestic compliance will not receive Article 6 authorizations for international export.
- Green Credit Programme: Focuses on non-carbon environmental actions such as afforestation, water conservation, and soil health. GCP units are distinct from carbon credits and cannot be converted into international Article 6 ITMOs.
Strategic Implications for Project Developers
Developers targeting international markets must adapt their project development, MRV, and contract structuring protocols to align with these regulatory realities.
1. ERPA Structuring and Sovereign Risk
Emission Reduction Purchase Agreements (ERPAs) can no longer assume that host-country export approvals will proceed without friction. Developers must incorporate tiered delivery and pricing mechanisms within off-take contracts:
- Condition Precedent Clauses: Commercial deliveries should stipulate whether pricing is contingent on the formal delivery of an Article 6 authorization letter and a registered CA by the NDAI-PA.
- Dual-Track Settlement: Contracts should account for scenarios where a CA is delayed or denied. In these cases, ERPAs should allow credits to be delivered as non-adjusted mitigation contribution units at an adjusted strike price, rather than defaulting the project entirely.
- Buffer Reserves: Contract structures must anticipate sovereign fees or percentage shares of proceeds (SOPs) levied to support adaptation funds and host-country administration, as required under Article 6.4 and bilateral Article 6.2 rules.
2. Digital Monitoring, Reporting, and Verification (dMRV)
Article 6 transactions face strict technical review at the United Nations level. Static, paper-based verification timelines are ill-suited for the tracking required to transfer ITMOs between national registries and independent standards. Indian developers must use digital MRV platforms that capture verifiable primary data from IoT sensors, satellite imagery, and automated ledger entries. High-integrity data chains are essential when national authorities assess whether a project meets the methodological conservativeness required to justify host-country authorization.
3. Standard Selection and Registry Navigation
Independent registries such as Verra, Gold Standard, and Puro.earth have implemented specific label systems to reflect Article 6 status. For example, credits are tagged with Article 6 authorization flags once formal proof of a host-country adjustment is provided. Developers must ensure that their chosen methodology aligns with both standard-specific rules and the guidelines published by the NDAI-PA to avoid having credits strand in a domestic registry without an export pathway.
Corporate Claims and Market Demand
Understanding buyer intentions allows developers to position their pipeline effectively. International buyers operate across two distinct market tiers:
The Compliance and High-Integrity Buyer Segment
Entities covered by compliance obligations—such as international airlines operating under CORSIA Phase 1—require credits with corresponding adjustments. Similarly, sovereign governments purchasing ITMOs to satisfy their own NDC commitments mandate CAs. These buyers offer premium pricing to offset the regulatory complexity and sovereign approval risk developers undertake.
The Corporate Voluntary Segment
A broad base of international corporate buyers does not require a corresponding adjustment. Following guidance from organizations such as the Voluntary Carbon Markets Integrity Initiative (VCMI), corporate buyers can purchase non-adjusted credits to make “contribution claims.” These claims demonstrate financial support for climate mitigation within India, allowing the host country to retain the carbon benefit for its national goals while the buyer claims a corporate social responsibility or climate contribution metric.
Building an Article 6-Ready Carbon Pipeline
Developers who want to access international Article 6 demand should focus their efforts on specific operational practices:
- Target Approved Technologies: Focus capital on activities explicitly listed by the NDAI-PA, such as engineered carbon dioxide removal (biochar), green hydrogen, and industrial efficiency.
- Establish Local Institutional Communication: Monitor MoEFCC and BEE notifications to track administrative procedures for CA authorization requests, including formal application templates and registry transfer APIs.
- Integrate Comprehensive Accounting: Ensure all project baselines are built on conservative dynamic models rather than static historical metrics, reducing the risk of baseline over-crediting during international expert reviews.
- Align Financial Disclosures: Prepare project accounting to satisfy enterprise buyers reporting under IFRS S2 (Climate-related Disclosures), ensuring that emissions offsets and financed mitigation outcomes are auditable down to the primary sensor level.
Navigating Article 6 and corresponding adjustments in India requires technical rigor, active awareness of sovereign policy, and transparent digital verification architectures. Developers who align their project portfolios with domestic industrial priorities while maintaining high methodological standards will be best positioned to capture premium international capital.
To evaluate your carbon project portfolio against Article 6 requirements, establish dMRV architectures, or consult on MoEFCC and international regulatory compliance, contact the ForestTwin advisory and project development team.