<div data-id="1-1.1" style="margin-left: 2em">1.1 Purpose and Scope of the Procedure</div>

<div data-id="1-1.2" style="margin-left: 2em">1.2 Main Users of Procedure and their Responsibilities</div>

<div data-id="1-1.3" style="margin-left: 2em">1.3 Use of the Procedure</div>

<div data-id="1-1.4" style="margin-left: 2em">1.4 Balancing and Settlement <u class='defined-term'>Code</u> Provision</div>

<div data-id="1-1.5" style="margin-left: 2em">1.5 Associated <u class='defined-term'>BSC Procedure</u>s</div>

<div data-id="1-1.6-1.6.1" style="margin-left: 3em;text-align: left">1.6.1 <b>Acronyms</b></div>

<div data-id="1-1.6-1.6.2" style="margin-left: 3em;text-align: left">1.6.2 <b>Definitions</b></div>

<div data-id="1-1.6" style="margin-left: 2em">1.6 Acronyms and Definitions</div>

<div data-id="1" style="margin-left: 1em">1 Introduction</div>

<div data-id="2-2.1" style="margin-left: 2em">2.1 Scope</div>

<div data-id="2-2.2" style="margin-left: 2em">2.2 Exclusions</div>

<div data-id="2-2.3" style="margin-left: 2em">2.3 Principles</div>

<div data-id="2-2.4" style="margin-left: 2em">2.4 Timescales</div>

<div data-id="2-2.5" style="margin-left: 2em">2.5 Changes to Disconnection Date</div>

<div data-id="2-2.6" style="margin-left: 2em">2.6 <u class='defined-term'>Communication</u>s</div>

<div data-id="2-2.7" style="margin-left: 2em">2.7 Data Integrity</div>

<div data-id="2-2.8" style="margin-left: 2em">2.8 Contacts</div>

<div data-id="2-2.9" style="margin-left: 2em">2.9 Audit Requirements</div>

<div data-id="2" style="margin-left: 1em">2 Service Definition</div>

<div data-id="3-3.1" style="margin-left: 2em">3.1 <u class='defined-term'>Supplier</u> Initiates Retrospective Amendment</div>

<div data-id="3-3.2" style="margin-left: 2em">3.2 <u class='defined-term'>LDSO</u> Initiates Retrospective Amendment</div>

<div data-id="3" style="margin-left: 1em">3 Interface and Timetable Information</div>

<div data-id="4-4.1" style="margin-left: 2em">4.1 <u class='defined-term'>SMRS</u> Data Items Eligible for an RMA under this BSCP</div>

<div data-id="4-4.2" style="margin-left: 2em">4.2 Please note that DTC Reference refers to the identifier in the Master Registration Agreement’s Data Transfer Catalogue (DTC) before it was superseded by the REC’s <u class='defined-term'>Energy Market Data Specification</u> (EMDS).</div>

<div data-id="4-4.3" style="margin-left: 2em">4.3 <u class='defined-term'>LDSO</u> Notification of a Retrospective Manual Amendment (form BSP604/02)</div>

<div data-id="4-4.4-4.4.1" style="margin-left: 3em;text-align: left">4.4.1 <b>Error in current data value only</b></div>

<div data-id="4-4.4-4.4.2" style="margin-left: 3em;text-align: left">4.4.2 <b>Retrospective Error – previous value in error</b></div>

<div data-id="4-4.4-4.4.3" style="margin-left: 3em;text-align: left">4.4.3 <b>Error in <u class='defined-term'>Effective From Settlement Date</u> for Current Value – should be earlier</b></div>

<div data-id="4-4.4-4.4.4" style="margin-left: 3em;text-align: left">4.4.4 <b>Error in value of previous data item </b></div>

<div data-id="4-4.4-4.4.5" style="margin-left: 3em;text-align: left">4.4.5 <b>Error in <u class='defined-term'>LDSO</u> data spanning more than one <u class='defined-term'>Supplier</u> Registration </b></div>

<div data-id="4-4.4-4.4.6" style="margin-left: 3em;text-align: left">4.4.6 <b>Incorrect EFSD – should be later: RMA should NOT be made</b></div>

<div data-id="4-4.4" style="margin-left: 2em">4.4 Retrospective Error Correction Examples</div>

<div data-id="4" style="margin-left: 1em">4 APPENDICES</div>

<div data-id="amendment-record--bscp604" style="margin-left:0.49in;text-align: center">AMENDMENT RECORD – BSCP604</div>

CONTENTS

BSCP604 'Error Resolution and Retrospective Manual Adjustments' V2.0