General

1. Use of r4 namespace and file extensions

2. Added first cut at annotation on data items/transactions

3. Included transaction group and priority to be used with each transaction

4. Match type definitions to MSATS data model (field lengths etc)

5. Convert in-line definitions to explicit types, e.g. code descriptions


Common

1. Remove targetNamespace and default namespace attributes from the schema element

2. Add MeterProgram type


Acknowledgements

1. Remove attributeFormDefault and elementFormDefault elements from schema element

2. Use terms receiptID/receiptDate instead of requestID/requestDate to avoid confusion
   between aseXML acknowledgements and CATS transaction exchanges

3. Add duplicate attribute to acknowedgements

4. ReceiptIDs optional in case where transaction/message rejected


CustomerTransfer

1. Define data types for RequestIDs and ObjectionIDs distinct from (now-renamed) 
   acknowledgement requestIDs

2. Include RequestID in ChangeRequestResponse

3. Include ObjectionID in ObjectionResponse

4. Data Request now supplies NMIStandingData to allow for provision of key
   information as part of the request e.g. which data stream.

5. Use the term "ChangeRequest" consistently. Rename ChangeRequestCode
to ChangeReasonCode

6. Move ObjectionAction to the Notification transaction

7. Correct case of element - initiatingRequestID -> InitiatingRequestID

8. Include extra data items on objection withdrawal to conform to MSATS
   functional spec

9. Rearrange Notification and DataRequest contents to align with functional spec


NMIDataAccess

1. NMIDiscoveryResponse now returns NMIStandingData to allow for flexibility
   in the data returned

2. Change choice to sequence in NMIDiscoveryRequest to allow provision of
   multiple search criteria simultaneously

3. Include Events on NMIDiscoveryResponse nd NMIStandingDataResponse to report
   status.


MeterDataManagement

1. Only one type of data now provided with each MeterDataNotification

2. "reference" attributes have been removed with the revamped MDM and its use
   of the MDAVersion field

3. Add an interim MeterDataResponse transaction as part of revamped MDM.


DataSetReplication

1. Rename to TableReplication

2. Change terminology to tables/rows rather than more obscure dataset/entry.

3. Introduce sequence number to allow for delivery of large volumes of data in 
   manageable pieces

4. Refer to types defined elsewhere rather than in-line definitions


Addresses

1. Rename to clientinformation and include other definitions from AS4590 in 
   preparation for B2B

2. Correct regular expressions 


Electricity

1. Add MeterProgram to standingdata


Event

1. Change attributes to be optional with reasonable defaults


Header

1. Add Market element to support multiple energy markets using the
   same transaction set. Its currently optional with a default of NEM.