Modifications 

 The Trading and Settlement Code Modifications Committee is the forum for considering change to the Trading and Settlement Code. The Modifications Committee meets every 2 months. Details of all scheduled meetings can be found on the Market Development calendar.

The 2013 calender of Modification events is available for download at this link.

1. Stage
   --- select --- Closed Active
2. Mod Status
   --- select --- In Consultation RA Decision: Approved (Not Vetoed) RA Decision: Further review required New Recommended for Approval Deferred Recommended For Rejection
3. Mod ID
   
4. Title
   
5. Section Affected
   --- select --- T&SC Section 1 T&SC Section 2 T&SC Section 3 T&SC Section 4 T&SC Section 5 T&SC Section 6 T&SC Section 7 T&SC Section 8 T&SC Appendix A T&SC Appendix B T&SC Appendix C T&SC Appendix D T&SC Appendix E T&SC Appendix F T&SC Appendix G T&SC Appendix H T&SC Appendix I T&SC Appendix J T&SC Appendix K T&SC Appendix L T&SC Appendix M T&SC Appendix N T&SC Appendix O T&SC Glossary Agreed Procedure 1 Agreed Procedure 2 Agreed Procedure 3 Agreed Procedure 4 Agreed Procedure 5 Agreed Procedure 6 Agreed Procedure 7 Agreed Procedure 8 Agreed Procedure 9 Agreed Procedure 10 Agreed Procedure 11 Agreed Procedure 12 Agreed Procedure 13 Agreed Procedure 14 Agreed Procedure 15 Agreed Procedure 16 Agreed Procedure 17

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	Mod ID	Title	Mod Status	Stage	Section Affected	Effective Date
	MOD_05_13	Amendment to the definition of “Working Day” Modification Proposal (27KB)	New	Active	T&SC Glossary
	MOD_02_13	Registration of Charges Modification Proposal (70KB) ToR LegalReview (373KB)	Deferred	Active	T&SC Section 1; T&SC Section 6
	MOD_25_12	Suspension of Interconnector Unit on instruction of Interconnector Owner due to breach of Access Rules Modification Proposal (28KB)	Deferred	Active	T&SC Section 2
	MOD_21_12	Amendment to Available Transfer Capacity (ATC) definition Modification Proposal (49KB) Meeting 44 Slides (238KB) Modification Proposal V2 (51KB) FRR (182KB)	Recommended for Approval	Active	T&SC Section 5; T&SC Appendix K
	MOD_11_12	Proposal to extend the definition of Special Units to include Compressed Air Energy Storage. Modification Proposal (35KB) Meeting 42 Slides (339KB) Terms of Reference (334KB) Working Group 2 Agenda (327KB) WG1 Slides (199KB) Working Group 1 Report (871KB) WG 2 Slides (396KB) Working Group 2 Report (423KB) Working Group 3 Report (1.0MB)	Deferred	Active	T&SC Section 5
	MOD_18_11	Definition of ‘Availability’ Modification Proposal (25KB) FRR (255KB)	Recommended for Approval	Active	T&SC Glossary