21.0

<div data-id="section-p-1-1.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.1 Introduction</div>

<div data-id="section-p-1-1.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.2 Authorisations - general</div>

<div data-id="section-p-1-1.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.3 Further provisions</div>

<div data-id="section-p-1-1.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.4 Single Relevant Contract <u class='defined-term'>Party</u></div>

<div data-id="section-p-1-1.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.5 Single Energy Contract Notification Agent or Single <u class='defined-term'>Metered Volume Reallocation Notification Agent</u></div>

<div data-id="section-p-1-1.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.6 Suspension of contract volume notification</div>

<div data-id="section-p-1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1. GENERAL</div>

<div data-id="section-p-2-2.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.1 Submission of <u class='defined-term'>ECVNA Authorisation</u></div>

<div data-id="section-p-2-2.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.2 Termination of <u class='defined-term'>ECVNA Authorisation</u></div>

<div data-id="section-p-2-2.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.3 <u class='defined-term'>Energy Contract Volume Notification</u>s</div>

<div data-id="section-p-2-2.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.5 Refusal and rejection for credit reasons</div>

<div data-id="section-p-2-2.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.6 <u class='defined-term'>Energy Contract Volume</u></div>

<div data-id="section-p-2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2. ENERGY CONTRACT VOLUMES</div>

<div data-id="section-p-3-3.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.1 Submission of <u class='defined-term'>MVRNA Authorisation</u></div>

<div data-id="section-p-3-3.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.2 Termination of <u class='defined-term'>MVRNA Authorisation</u></div>

<div data-id="section-p-3-3.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.3 <u class='defined-term'>Metered Volume Reallocation Notification</u>s</div>

<div data-id="section-p-3-3.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.5 Refusal and rejection for credit reasons</div>

<div data-id="section-p-3-3.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.6 <u class='defined-term'>Metered Volume Reallocation Data</u></div>

<div data-id="section-p-3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3. METERED VOLUME REALLOCATIONS</div>

<div data-id="section-p-4-4.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.1 Aggregation of <u class='defined-term'>Energy Contract Volume</u>s</div>

<div data-id="section-p-4-4.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.2 Exclusion of certain <u class='defined-term'>Metered Volume</u> Reallocations</div>

<div data-id="section-p-4-4.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.3 Aggregation of <u class='defined-term'>Metered Volume</u> Reallocations</div>

<div data-id="section-p-4-4.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.4 Determination and submission of aggregated data</div>

<div data-id="section-p-4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4. AGGREGATION</div>

<div data-id="section-p-4A-4A.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A.1 Submission of a <u class='defined-term'>Volume Notification Nullification Request</u></div>

<div data-id="section-p-4A-4A.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A.2 Validity of a <u class='defined-term'>VNNR</u></div>

<div data-id="section-p-4A-4A.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A.3 Amendment of a <u class='defined-term'>VNNR</u></div>

<div data-id="section-p-4A-4A.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A.4 <u class='defined-term'>ECVAA</u> confirmation</div>

<div data-id="section-p-4A-4A.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A.5 Notification of completion of process</div>

<div data-id="section-p-4A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4A NULLIFICATION OF VOLUME NOTIFICATIONS</div>

<div data-id="section-p-5-5.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.1 Introduction</div>

<div data-id="section-p-5-5.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.2 Consequences of <u class='defined-term'>ECVAA System Failure</u></div>

<div data-id="section-p-5-5.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.3 <u class='defined-term'>ECVAA</u> <u class='defined-term'>System</u> Withdrawal</div>

<div data-id="section-p-5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5. FAILURES OF THE <u class='defined-term'>ECVAA</u> SYSTEM</div>

<div data-id="section-p" style="text-align:center">SECTION P: ENERGY CONTRACT VOLUMES AND METERED VOLUME REALLOCATIONS</div>

CONTENTS

BSC Section P: Energy Contract Volumes and Metered Volume Reallocations V21.0