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If you have any legal questions on the above trading documentation, please consult a licensed legal specialist.  For general queries, please contact the IETA secretariat.


IETA is a market leader in providing standardized documentation for emission trading.  IETA provides a suite of documents that span primary and secondary OTC emission markets.  Through the Secretariat and its specialist members, IETA maintains, updates, and develops new contracts that are recognized for their clarity, conciseness and focus on carbon market details.  Please find our current suite of standardized documentation below.

Updated 29 October 2013: 

North American Trading Documentation

California Emissions Trading Master Agreement (CETMA) v. 1.1

California Emissions Trading Master Agreement (CETMA) v. 1.1 (Word version)

Please note that the CETMA files provided on this page include the following items:

  • Introduction and Explanatory Notes
  • Master Agreement
  • Schedule 1 (Definitions)
  • Schedule 2 (Elections)
  • Exhibit A (Form of Allowance Confirmation)
  • Exhibit B (Form of Offset Confirmation)

Access the press release of the CETMA here.

International Trading Documentation (IETMA)

Phase 2 and 3 of European Union Emissions Trading Scheme (EU ETS) Documentation

Primary Certified Emission Reductions (CERs) from the Clean Development Mechanism (CDM)

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