(accepted by CDP; see footnotes)
|Advanced technologies promotion Subsidy Scheme with Emission reduction Target (ASSET)|
|Airport Carbon Accreditation (ACA) des Airports Council International Europe|
|Alberta Specified Gas Emitters Regulation|
|Attestation Standards established by the American Institute of Certified Public Accountants/AICPA (AT1011)|
|Australia National Greenhouse and Energy Regulations2 (NGER Act)|
|California Mandatory GHG Reporting Regulations (also known as Californian Air Resources Board regulations)|
Note: Verification under this regulation can be annual, biennial or triennial. If a company is in the process of having the current reporting year's emissions verified, they should report "third party verification or assurance underway - last year's statement attached" and attach the most recent statement from within the three years prior to the current reporting year. This guidance was updated in January 2013.
|Canadian Institute of Chartered Accountants (CICA) Handbook: Assurance Section 5025|
Note: Only High levels of assurance are accepted, as Moderate is a 'review', rather than a full verification process.
|Carbon Trust Standard|
Note: Companies should attach the certification letter AND certificate. Verification of GHG emissions as part of CTS certification can be annual or biennial. If a company is in the process of having the current reporting year's emissions verified, they should report "third party verification or assurance underway - last year's statement attached" and attach documentation from the most recent year with verification but no earlier than two years prior to the current reporting year. This guidance was updated in January 2013.
|CEMARS (Certified Emissions Measurement and Reduction Scheme)|
|Chicago Climate Exchange verification standard|
|The Climate Registry's General Verification Protocol (also known as California Climate Action Registry (CCAR))|
|Compagnie Nationale des Commissaires aux Comptes (CNCC)|
National Company of Auditors (Pratique professionnelle relative au rapport du Commissaire aux Comptes sur certaines données ou informations environnementales et sociales ou sur les procédures d’établissement de ces données ou informations, contenues dans le rapport rendant compte en matière de « développement durable.)
|Corporate GHG Verification Guidelines from ERT|
Note: Only Tier III and Tier II where it is clear that the verification has been performed by an independent third party.
|DNV Verisustain Protocol/ Verification Protocol for Sustainability Reporting|
Note: This standard is only acceptable where the verification statement clearly confirms the independence of the verifier from the reporting organization and/or the data collection process.
|ERM GHG Performance Data Assurance Methodology|
|IDW PS 821: IDW Prüfungsstandard: Grundsätze ordnungsmäßiger Prüfung oder prüferischer Durchsicht von Berichtenim Bereich der Nachhaltigkeit|
|IDW AsS 821: IDW Assurance Standard: Generally Accepted Assurance Principles for the Audit or Review of Reports on Sustainability Issues|
|ISAE 3410, Assurance Engagements on Greenhouse Gas Statements1|
Note: This standard is valid for assurance reports covering periods ending on or after 30th September 2013.
|JVETS (Japanese Voluntary Emissions Trading Scheme) Guideline for verification|
|Korean GHG and energy target management system|
|NMX-SAA-14064-3-IMNC: Instituto Mexicano de Normalización y Certificación A.C|
|RevR 6 Bestyrkande av hållbarhetsredovisning (RevR 6 Assurance of Sustainability)|
|RevR6 Procedure for assurance of sustainability report from Far, the Swedish auditors professional body|
|Saitama Prefecture Target-Setting Emissions Trading Program|
|Standard 3810N Assurance engagements relating to sustainability reports of the Royal Netherlands Institute of Registered Accountants|
|SGS Sustainability Report Assurance|
Note: This service is only acceptable where the verification statement clearly confirms that the assurance is provided in accordance with ISO 14064-3 or AA1000AS.
|Spanish Institute of Registered Auditors (ICJCE) |
|State of Israel Ministry of Environmental Protection, VERIFICATION OF GREENHOUSE GAS EMISSIONS AND EMISSIONS REDUCTION IN ISRAEL GUIDANCE DOCUMENT FOR CONDUCTING VERIFICATIONS, Process A.|
Note: This guidance covers two processes, for CDP purposes we would only accept the process A. Emissions inventory of companies and organizations that report to the Israeli Voluntary GHG Registry; and not process B.
|Thai Greenhouse Gas Management Organisation (TGO) Greenhouse Gas (GHG) Verification Protocol|
|Tokyo Emissions Trading Scheme|
|Verification under the EU Emissions Trading Scheme (EU ETS) Directive and EU ETS related national implementation laws|