Market Rules 

The Market Rules consist of the latest approved Trading and Settlement Code, Agreed Procedures and any 'approved' Modifications which have not yet been incorporated into the main body of the Code or the Agreed Procedures (see Approved Modifications at the Modification Proposals page). It is important to note: a Modification may become effective before the published draft of the Code is amended to include the Modification.

Trading and Settlement Code v10.0

Published on 21st Oct 2011

• SEM Trading & Settlement Code (2.0MB)
• SEM Trading and Settlement Code Appendices (1.0MB)
• SEM Trading and Settlement Code Glossary (719KB)
• SEM Trading & Settlement Code Marked Up (2.0MB)
• SEM Trading and Settlement Code Appendices Marked Up (1.0MB)
• SEM Trading and Settlement Code Glossary Marked Up (719KB)

Agreed Procedures

• AP01: Participant and Unit Registration and Deregistration (928KB)
• AP02 Interconnector User Capacity Right Calculation and Dispatch Notification (374KB)
• AP03: Communication Channel Qualification (367KB)
• AP04: Transaction Submission and Validation (283KB)
• AP05: Data Storage and IT Security (123KB)
• AP06: Data Publication and Data Reporting (164KB)
• AP07: Emergency Communications (503KB)
• AP09: Management of Credit Cover and Credit Default (457KB)
• AP10: Settlement Reallocation (311KB)
• AP11: Market System Operation, Testing, Upgrading and Support (365KB)
• AP12: Modifications Committee Operation (157KB)
• AP13: Query Generation (1.0MB)
• AP14: Disputes (124KB)
• AP15: Invoicing (565KB)
• AP16: Provision of Metered Data (339KB)
• AP17: Banking and Participant Payments (141KB)

Mods Currently in Effect on the current Baseline

	Mod Id	Modification Title	Effective Date
	MOD_05_12	Cross Border Settlement Reallocation Calculations FRR (149KB) Modification Proposal (36KB) RA Decision (31KB)	7th Mar 2012
	MOD_04_12	Corporate Website Publication Times for Capacity Settlement Data AP Notification (353KB) Modification Proposal (35KB)	17th Feb 2012
	MOD_32_11	Excess Cash Collateral Drawdown Requirements FRR (1.0MB) Modification Proposal (1.0MB) Modification Proposal V2 (1.0MB) RA Decision (28KB)	9th Feb 2012
	MOD_31_11	Calculation of Estimated Energy Price (EEP) and Estimated Capacity Price (ECP) FRR (431KB) Meeting 38 SEMO Slides (469KB) Modification Proposal (204KB) RA Decision (38KB)	15th Dec 2011
	MOD_30_11	Assessment and Approval of Registration Data AP Notification (329KB) Modification Proposal (43KB) Modification Proposal V2 (41KB)	23rd Dec 2011
	MOD_29_11	Revision of Standard Letter of Credit Template FRR (294KB) Modification Proposal (39KB) Modification Proposal V2 (42KB) RA Decision V2 (37KB)	9th Jan 2012
	MOD_27_11	Market Operator Solver Policy Modification Proposal (31KB) RA Decision (40KB)	7th Mar 2012
	MOD_23_11	Additional clause for Standard Letter of Credit FRR (151KB) Modification Proposal (33KB) Modification Proposal V2 (72KB) RA Decision (36KB)	7th Mar 2012
	MOD_04_11	Removal of requirement that a demand site in a DSU shall not have an MEC Conference Call Note (52KB) FRR (266KB) Meeting 33 Fingleton and White Slides (722KB) Modification Proposal (61KB) Modification Proposal V2 (29KB) RA Decision (33KB) Rationale for DSU with MEC (768KB)	9th Feb 2012
	MOD_36_10	Removal of connection between Supplier Units and DSUs AEDSU_36_10 (453KB) Draft Terms of Reference (69KB) Explanatory Notes 36_10 (119KB) FRR (2.0MB) MODIFICATION PROPOSAL FORM - DSUs (72KB) Modification Proposal V2 (2.0MB) RA Decision (55KB) Working Group 1 Report (422KB) Working Group Agenda (697KB)	4th Apr 2012