1

Transaction log and thedata exchange standards

IntroductionPre-sessional consultations on registries

2 June 2003Bonn, Germany

Andrew HowardUNFCCC secretariat

www.unfccc.intahoward@unfccc.int

2

Kyoto registries and transaction log

National registries• Electronic databases for

- recording holdings of units

- tracking movements of units• Accounts for governments and businesses• Transactions: creation, transfer and use of units• First registries may be completed in 2004• All registries need to be completed in 2006

The transaction log• Checks transactions when they are proposed• Ensures the integrity of transactions before completion

3

National registry accounts and transactions

Swiss registry

Party account

Legal entity a/c

Legal entity a/c

Retirement a/c

Cancellation a/c

Issuance of AAUs

and RMUs

Cancellation (not for compliance)

French registry

Party account

Legal entity a/c

Legal entity a/c

Retirement a/c

Cancellation a/c

CER

RMU

ERUAAU

Transfers,acquisitions

Retirement (for compliance)

Carry-over

4

Sufficient harmonization

International rules define• Basic registry requirements (COP 7)

Beyond these, Parties free to implement as they wish• Basic data exchange standards (COP 8)

Exact technical details currently being elaborated

The data exchange standards relate to:• Sequence and content of electronic messages• Language protocol and messaging format• Transaction rules• Serial numbers, account numbers and transaction numbers• Security and data quality measures

5

Registry systems

CDMregistry

(for Non-Annex I Parties)

Sender/receiver

Nationalregistry

(of an Annex I Party)

Sender/receiver

Transaction log

Communication via thedata exchange standards

Autochecks

Sender/receiver

Communications hub

6

Secretariat work on registries

Establish and implement the transaction log

With a view to completing implementation and testing of the log by COP 10

Work on the data exchange standards with the log, with a view to completing the technical specification by COP 9

Closely collaborate with technical experts

Report on progress to SBSTA 19

Support for the CDM Executive Board on development of the CDM registry

Decision 19/CP.7

Decision 24/CP.8

Decision 17/CP.7

7

Registries timeline

CommitmentPeriod

Complianceassessment

2008-2012 2014

Operation and

maintenance

Roll-out (transaction

log) Test Build

Technical specifications

Supplier selection

Requestfor

proposal

Functionalspecifications

Secretariat work on transaction log and data exchange standards

2002 2003 2004 2005 2006 2007

Parties develop registries

TransactionLog

DataExchangeStandard

MarrakeshAccords