Modifications Under Consideration | SEMOpx

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Mod ID	Title	Mod Status	Stage	Section Affected	Effective Date	Publication Date
SPX_04_25	Housekeeping Mod to include omitted DPUG reports SPX_04_25 Housekeeping Mod to include omitted DPUG reports.pdf SPX_04_25 SEMOpx Operating Procedures v10.0_DPUG_Updates_v2.pdf 13th November 2025 Exchange Committee - Supporting Slides.pdf SPX_04_25 Decision Letter.pdf	SEMOpx Decision: Approved	Active	Operating Procedure Appendix A, Operating Procedure Section B, Operating Procedure Section C, Operating Procedure Section D	28/11/2025	29/10/2025
SPX_03_25	Housekeeping Mod to remove references to Schedule A.2 from SPX_01_21 13th November 2025 Exchange Committee - Supporting Slides.pdf SPX_03_25 Housekeeping Mod to remove references to Schedule A.2 from SPX_01_21_v2.pdf SPX_03_25 - SEMOpx Operating Procedures_SPX_01_21_Housekeeping_Mod.pdf SPX_03_25 Decision Letter.pdf	SEMOpx Decision: Approved	Active	Operating Procedure Section A, Operating Procedure Section B	28/11/2025	29/10/2025
SPX_02_25	IDA1 and IDA2 Local Auction Cancellation Deadline SPX_02_25 IDA1 and IDA2 Local Auction Cancellation Deadline.pdf 13th November 2025 Exchange Committee - Supporting Slides.pdf SPX_02_25 Decision Letter.pdf	SEMOpx Decision: Approved	Active	Operating Procedure Section E	28/11/2025	08/10/2025