SEM Market Change Requests

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Defect ID Description CR Raised By Date of MIG where discussed Status DR Xref Incl. in Baseline  MCR 0156 Amending Generator Unit ID and Generation Unit ID RMDS 29/11/07 Approved DR 0145 v6.1  MCR 0153 Additional Reject Reason Codes to be included with SEM schema changes RMDS 02/08/07 Issued DR 0139 v6.1  MCR 0151 Clarification regarding date selection in WP12. SEM Team 07/06/07 Approved by IGG   v6.1  MCR 0150 Inclusion of Seconds (SS) in the Date Timestamp Format. SEM Team 07/06/07 Approved by IGG   v6.1  MCR 0149 Estimation of QH values for Indicative Aggregation. SEM Team 07/06/07 Approved by IGG DR 0145 v6.1  MCR 0148 Changes to the Aggregation Briefing Document, MPD 15 and MPD 16 (2_1) for RA324 Mitigation and PES Trading Sites. SEM Team 07/06/07 Approved by IGG DR 0144 v6.1  MCR 0146 Update to the validation rules within MPD 20 - Change of SSAC and/or Supplier Unit. SEM Team 07/06/07 Approved by IGG DR 0143 v6.1  MCR 0145 Update to the validation rules within MPD 2 - QH CoS SEM Team. 07/06/07 Approved by IGG DR 0142 v6.1  MCR 0143 Non Participant Generator Replaces Export Arrangements with Submetering. Update current procedure to include generators, to satisfy new requirements for SEM Implementation. SEM Team 19/04/2006 Approved by IGG DR 0141 v6.1 MCR 0142 This No. was not used            MCR 0140 Clarifications regarding the 591 MM SEM Team 19/04/2006 Approved DR 0137 v6.1 MCR 0139 This No. was not used           MCR 0138 This No. was not used            MCR 0137 Update to the Reading Data Status Definition SEM Team 19/04/2007 Approved by IGG DR 0136 v6.1  MCR 0136 Update to WP 0014 Distribution Connected Non Participant Generator Export Arrangements Working Practice V6.0 SEM Team 19/04/2007 Approved by IGG DR 0135 v6.1  MCR 0135 Updates to 595 Market Message SEM Team 19/04/2007 Approved by IGG DR 0134 v6.1  MCR 0134 Changing the description of Reject Reason Code 'SSS' SEM Team 19/04/2007 Approved by IGG DR 0133 v6.1  MCR 0133 Further updates to the Aggregation Briefing Document to satisfy new requirements of SEM implementation SEM Team 19/04/2007 Approved by IGG DR 0132 v6.1  MCR 0132 Updates to Meter Point Registration Rejection Market Messages for alignment of Wholesale & Retail Market Registrations for Trading sites SEM Team 19/04/2007 Approved by IGG DR 0131 v6.1  MCR 0131 Update to MPD 16 (2_1) Data Aggregation v1.0 SEM Team 19/04/2007 Approved by IGG DR 0130 v6.1

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