UN Technical Specifications for Data Exchange

1
Data Exchange Standards for the interaction with
the ITL 08 November 2004 Bonn, Germany
Peggy Quarles Perrin Quarles Associates,
Inc. peggyquarles_at_pqa.com
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Reconciliation

• The process by which data from different
  registry systems are compared and inconsistencies
  resolved.

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Why do you need Reconciliation?

• Credibility
• Data accuracy
• Process to identify and correct problems

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Reconciliation

• 
  

Registry and ITL agree on timing
HOWEVER, if discrepancies exist
an alternate process takes place.
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Reconciliation (continued)

• If Data discrepancies exist

the ITL works to isolate and identify units in
question to facilitate the final step in the
reconciliation process
ITL
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Key Elements of Reconciliation

• Good communication
• Flexibility in timing, starting point and phases
• Technical feasibility

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Notifications

• A Notification is a communication to a registry
  from the ITL about a required or recommended
  action involving unit transactions.

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Types of Notifications

• Net source cancellation
• Non-compliance cancellation
• Impending tCER or lCER expiry
• Reversal of storage for CDM Project
• Non-submission of Certification Report for CDM
  Project
• Excess issuance for CDM Project
• CPR level problem
• Unit carry-over

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Elements of a Notification

• Notification ID
• Number of Units
• Unit Blocks
• Update or status report for earlier notification

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Typical Notification Process
ITL sends notification of transaction
requirements including Notification ID.
ITL Administrator initiates notification.
Registry responds with transactions including the
Notification ID.
ITL monitors compliance with transaction
requirements.
Registry
ITL reports to CDM Executive Board and other
entities
ITL
ITL send updates to Registry indicating progress
or completion of requirements
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Other Requirements in the DES

• Data Records
• Change Management
• Registry Testing and Initialization

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What do Registry Systems Record?

• All transactions, including detail about unit
  blocks and response codes
• All reconciliation messages
• All notifications
• All internal activity (who changed what and
  when)
• A message archive (storage of XML files)

13
Change Management

• Change management is the process by which the
  Data Exchange Specifications can be modified.

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Change Management

• Changes or enhancements are unavoidable
• Changes will be minimized to provide stability
  and reduce costs
• Registries and ITL will cooperate to implement
  changes methodically
• ITL Administrator will have key role in
  coordinating and communicating regarding changes

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Registry Initialization

• Initialization is the process of bringing a
  registry system on-line, allowing it to fully
  participate with the ITL in a trading scheme.
• This is a technical process, not related to
  eligibility.

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What does a Registry Need to Do?

• Establish and test communications
• Coordinate and perform testing with ITL, per
  Annex H
• Develop and submit documentation
• Provide government account information

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Required Registry Documents

• Backup and Recovery Plan
• Disaster Recovery Plan
• Security Plan
• Time Validation and Data Logging Plans
• Version and Change Management Plan
• Test Plans and Reports
• Operational Plan