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Review Process
 

Following completion of the trial period for inventory reporting and review, annual review of individual inventories of each Annex I Party became mandatory in 2003 decisionpdf-icon 19/CP.8). The UNFCCC Annex I inventory review guidelines, revised in 2014 (pdf-icon decision 13/CP.20) , ensure that the COP is provided with an objective, consistent, transparent, thorough and comprehensive technical assessment of the quantitative and qualitative inventory information submitted annually by Annex I Parties. Annual review ensures that adequate consideration is given to recalculations and emission trends over time.

The review of greenhouse gas (GHG) inventories comprises two stages. Each stage complements the previous one. Review reports are prepared and published on the secretariat web site.

  • Initial assessment by the secretariat: a standardized set of data comparisons mainly based on the common reporting format (CRF) data, aiming to examine that each Annex I Party has submitted a consistent, complete and timely annual inventory in the correct format, including the national inventory report (NIR) and the CRF tables, and to identify issues for further consideration during the review of individual inventories. Status reports for each Party are published at this stage while assessment reports are available to Parties and expert review teams (ERTs);

  • Review of individual annual inventories by ERTs: ERTs examine the data, methodologies and procedures used in preparing the national inventory. ERTs are required to  pay particular attention to key categories, areas of the inventory where issues have been identified and recommendations made in previous reviews, or stages of the review, progress in the implementation of the planned improvements, or where recalculations or other changes have been reported by the Annex I Party. This is the most detailed review stage. Individual review reports are published for each Party.

Three operational approaches may be used during the second stage of the technical review, namely desk reviews, centralized reviews or in-country reviews.

Protection of confidential inventory information

Guidance on the use of confidential information by ERTs is addressed in the UNFCCC Annex I inventory review guidelines under the Convention. In addition, by decision 12/CP.9, Parties adopted a code of practice for the treatment of confidential information in the technical review of greenhouse gas inventories from Annex I Parties. In 2004 the secretariat developed, and has since been implementing procedures to implement the code of practice. These procedures cover submission, processing and handling by the secretariat of any information designated as confidential by an Annex I Party, and the granting of access by ERTs to this information.

Expert review teams

The annual inventory review process requires the participation of over 150 skilled experts per year. Members of the expert review teams (ERTs) are selected on an ad hoc basis from the UNFCCC roster of experts nominated by Parties and intergovernmental organizations. The secretariat selects experts to ensure coverage of all inventory sectors, and to achieve an overall balance in the participation of experts from Annex and non-Annex I Parties. Two lead reviewers, one each from an Annex I and a non-Annex I Party, guide the work of the teams. Lead reviewers ensure that the reviews in which they participate are performed by each ERT according to the relevant review guidelines and consistently across Parties.


Participation of experts nominated by Parties helps to ensure that the review results are thorough, objective, credible and recognized by Parties. In addition, it helps build inventory capacity across all Parties. During the review, reviewed Parties receive technical feedback from other experts (the members of the ERTs) that enables them to further improve their inventories. Likewise, experts who participate in reviews gain knowledge of inventory practices of other Parties, which they can take home and apply, as appropriate, to their own inventories.

All members of expert review teams participating in the technical review of greenhouse gas inventories must sign an agreement for expert review services. The agreement specifies the responsibilities and appropriate conduct for expert review team members, in particular with respect to the protection of confidential inventory information, as determined by the COP. Any new review team members must also successfully complete training on how to perform a review and pass the appropriate examinations.


Lead reviewers meetings

The COP requested the secretariat to facilitate meetings of lead reviewers for GHG inventories to facilitate the work of lead reviewers in fulfilling their task to ensure consistency in the reviews across Parties. Lead reviewers are also collectively required to prepare an annual report to the SBSTA, containing suggestions on how to improve the quality, efficiency and consistency of the reviews. The secretariat has organized these meetings annually since 2003. The conclusions of these meetings are presented through the following links:
 

UNFCCC review materials and procedures
Guidelines for the technical review of information reported under the Convention related to greenhouse gas inventories, biennial reports and national communications by Parties included in Annex I to the Convention” pdf-icon (decision 13/CP.20)

(PDF) Code of practice for the treatment of confidential information in the technical review of greenhouse gas inventories from Parties included in Annex I to the Convention (7 kB) .

(PDF) UNFCCC Confidentiality procedures (13 kB)

(PDF) Agreement for Expert Review Services (65 kB)
 
Lead Reviewers Meetings

The thirteenth meeting of lead reviewers is planned to take place in March 2016 in Bonn, Germany

The twelfth meeting of lead reviewers took place on 2 - 4 March 2015 in Bonn, Germany


 

 

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