21.0

<div data-id="1-1.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.1 Scope and Purpose of the Procedure</b></span></div>

<div data-id="1-1.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.2 Main Users of the Procedure and their Responsibilities</b></span></div>

<div data-id="1-1.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.3 Use of the Procedure</b></span></div>

<html><head></head><body><div data-id="1-1.4" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.4 Balancing and <u class="defined-term">Settlement</u> <u class="defined-term">Code</u> Provision</b></span></div></body></html>

<div data-id="1-1.5" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.5 Associated <u class='defined-term'>BSC Procedure</u>s</b></span></div>

<div data-id="1-1.6" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>1.6 Acronyms and Definitions</b></span></div>

<div data-id="1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span>1 Introduction</span></div>

<div data-id="3-3.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>3.1 Identification and Agreement of Changes to Data (excluding changes arising from <u class='defined-term'>Emergency Instruction</u>s)</b></span></div>

<div data-id="3-3.2" style="text-align: justify"><span><b>3.2 (a) Corrections of SAA databases for FPN, BOD and RR data)</b></span></div>

<div data-id="3-3.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span><b>3.2 (b) Corrections of <u class='defined-term'>BMRA</u> and SAA databases (for BOA Changes excluding <u class='defined-term'>Emergency Instruction</u>s)</b></span></div>

<div data-id="3-3.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><span><b>3.3. No longer used</b></span></div>

<div data-id="3-3.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><span><b>3.4. Corrections to SAA Databases arising from <u class='defined-term'>Emergency Instruction</u>s</b></span></div>

<div data-id="3-3.5" style="text-align:left"><span><b>3.5. <u class='defined-term'>Network Gas Supply Emergency Acceptance</u>s</b></span></div>

<div data-id="3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span>3. Interface and Timetable Information</span></div>

<html><head></head><body><div data-id="appendix-1--process-for-settlement-of-network-gas-supply-emergency-acceptances" style="text-align:left"><b>Appendix 1 – Process for <u class="defined-term"><u class="defined-term">Settlement</u></u> of <u class="defined-term">Network Gas Supply Emergency Acceptance</u>s </b></div></body></html>

<div data-id="amendment-record--bscp18" style="margin-left:1in;text-align: center"><b>AMENDMENT RECORD – BSCP18</b></div>

<div data-id="4" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><span>4. Appendices</span></div>

CONTENTS

BSCP 18: Corrections to Bid-Offer Acceptance Related Data V21.0

Defined Terms

Cross-references