Part 2 of the NETA IDD document contains the definition and design of the system interfaces between the following BSC Agents: the Balancing Mechanism Reporting Agent (BMRA), Central Data Collection Agent (CDCA), Central Registration Agent (CRA), Energy Contract Volume Aggregation Agent (ECVAA) and Settlement Administration Agent (SAA). See Part 1 for details of their system interfaces with BSC Parties and Party Agents.

52.0

<div data-id="1-1.1-1.1.1" style="margin-left: 3em">1.1.1 Summary</div>

<div data-id="1-1.1" style="margin-left: 2em">1.1 Purpose</div>

<div data-id="1-1.2-1.2.1" style="margin-left: 3em">1.2.1 The Scope of this Document</div>

<div data-id="1-1.2" style="margin-left: 2em">1.2 Scope</div>

<div data-id="1-1.3" style="margin-left: 2em">1.3 Summary</div>

<div data-id="1-1.4" style="margin-left: 2em">1.4 Amendment History</div>

<div data-id="1-1.5" style="margin-left: 2em">1.5 References</div>

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

<div data-id="1" style="margin-left:0in;text-align:left;text-indent:0in">1. Introduction</div>

<div data-id="2-2.1-2.1.1" style="margin-left: 3em">2.1.1 Manual</div>

<div data-id="2-2.1-2.1.2" style="margin-left: 3em">2.1.2 Electronic Data File Transfer</div>

<div data-id="2-2.1-2.1.3" style="margin-left: 3em">2.1.3 Internal Interfaces</div>

<div data-id="2-2.1-2.1.4" style="margin-left: 3em">2.1.4 Repeating Structure</div>

<div data-id="2-2.1-2.1.5" style="margin-left: 3em">2.1.5 File names</div>

<div data-id="2-2.1-2.1.6" style="margin-left: 3em">2.1.6 Unstructured File Format</div>

<div data-id="2-2.1-2.1.7" style="margin-left: 3em">2.1.7 Acknowledgement Messages and Sequence Numbers</div>

<div data-id="2-2.1-2.1.9" style="margin-left: 3em">2.1.9 Valid Sets</div>

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

<div data-id="2" style="margin-left: 1em">2 Common Interface Conventions</div>

<div data-id="3-3.1-3.1.1" style="margin-left: 3em">3.1.1 <u class='defined-term'>BMRA</u> Interfaces</div>

<div data-id="3-3.1-3.1.2" style="margin-left: 3em">3.1.2 <u class='defined-term'>CDCA</u> Interfaces</div>

<div data-id="3-3.1-3.1.3" style="margin-left: 3em">3.1.3 CRA Interfaces</div>

<div data-id="3-3.1-3.1.4" style="margin-left: 3em">3.1.4 <u class='defined-term'>ECVAA</u> Interfaces</div>

<div data-id="3-3.1-3.1.5" style="margin-left: 3em">3.1.5 SAA Interfaces</div>

<div data-id="3-3.1" style="margin-left: 2em">3.1 Interfaces by <u class='defined-term'>BSC Agent</u></div>

<div data-id="3-3.2-3.2.1" style="margin-left: 3em">3.2.1 <u class='defined-term'>BSCCo</u> Ltd Interfaces</div>

<div data-id="3-3.2-3.2.2" style="margin-left: 3em">3.2.2 FAA Interfaces</div>

<div data-id="3-3.2-3.2.3" style="margin-left: 3em">3.2.3 NETSO Interfaces</div>

<div data-id="3-3.2-3.2.4" style="margin-left: 3em">3.2.4 <u class='defined-term'>Stag</u>e 2 Interfaces</div>

<div data-id="3-3.2-3.2.5" style="margin-left: 3em">3.2.5 Transfer Coordinator Interfaces</div>

<div data-id="3-3.2-3.2.6" style="margin-left: 3em">3.2.6 Internal Interfaces</div>

<div data-id="3-3.2-3.2.7" style="margin-left: 3em">3.2.7 <u class='defined-term'>EMR Settlement Services Provider</u> Interfaces</div>

<div data-id="3-3.2" style="margin-left: 2em">3.2 Interfaces by Corresponding <u class='defined-term'>Party</u></div>

<div data-id="3" style="margin-left: 1em">3 External Interface Summary</div>

<div data-id="4-4.1" style="margin-left: 2em">4.1 CRA-I004: (input) BSC Service Agent Details</div>

<div data-id="4-4.2" style="margin-left: 2em">4.2 CRA-I013: (output) Issue Authentication Report</div>

<div data-id="4-4.3" style="margin-left: 2em">4.3 CRA-I015: (output) <u class='defined-term'>BM Unit</u>, <u class='defined-term'>Interconnector</u> and <u class='defined-term'>GSP Group</u> Data</div>

<div data-id="4-4.4" style="margin-left: 2em">4.4 CRA-I020: (output) Operations Registration Report</div>

<div data-id="4-4.5" style="margin-left: 2em">4.5 CRA-I028: (output) NGC Standing Data Report</div>

<div data-id="4-4.6" style="margin-left: 2em">4.6 <u class='defined-term'>ECVAA</u>-I016: (output) <u class='defined-term'>ECVAA</u> Data Exception Report</div>

<div data-id="4-4.7" style="margin-left: 2em">4.7 <u class='defined-term'>ECVAA</u>-I025: (output) <u class='defined-term'>Credit Cover</u> Minimum Eligible Amount Report</div>

<div data-id="4-4.8" style="margin-left: 2em">4.8 SAA-I013: (output) Credit/Debit Reports</div>

<div data-id="4" style="margin-left: 1em">4 Interfaces From and To Multiple Parties</div>

<div data-id="5-5.1" style="margin-left: 2em">5.1 <u class='defined-term'>BMRA</u>-I002: (input) Balancing Mechanism Data</div>

<div data-id="5-5.2" style="margin-left: 2em">5.2 <u class='defined-term'>BMRA</u>-I003: (input) <u class='defined-term'>System</u> Related Data</div>

<div data-id="5-5.3" style="margin-left: 2em">5.3 <u class='defined-term'>BMRA</u>-I010: (output, common) Data Exception Reports</div>

<div data-id="5-5.4" style="margin-left: 2em">5.4 <u class='defined-term'>BMRA</u>-I014: (input) Price Adjustment Data</div>

<div data-id="5-5.5" style="margin-left: 2em">5.5 <u class='defined-term'>BMRA</u>-I020: (input) <u class='defined-term'>BM Unit Fuel Type List</u></div>

<div data-id="5-5.6" style="margin-left: 2em">5.6 <u class='defined-term'>BMRA</u>-I021: (input) Temperature Reference Data</div>

<div data-id="5-5.7" style="margin-left: 2em">5.7 <u class='defined-term'>BMRA</u>-I022: (input) Daily Energy Volume Reference Data</div>

<div data-id="5-5.8" style="margin-left: 2em">5.8 <u class='defined-term'>BMRA</u>-I023: (input) Wind Generation <u class='defined-term'>Registered Capacit</u>ies</div>

<div data-id="5-5.9" style="margin-left: 2em">5.9 <u class='defined-term'>BMRA</u>-I034: (input) <u class='defined-term'>Trading Unit</u> Data</div>

<div data-id="5-5.10" style="margin-left: 2em">5.10 <u class='defined-term'>CDCA</u>-I012: (output, part 1) Report Raw <u class='defined-term'>Meter</u> Data</div>

<div data-id="5-5.11" style="margin-left: 2em">5.11 <u class='defined-term'>CDCA</u>-I029: (output, part 1) Aggregated <u class='defined-term'>GSP Group Take</u> Volumes</div>

<div data-id="5-5.12" style="margin-left: 2em">5.12 <u class='defined-term'>CDCA</u>-I042: (output, part 1) <u class='defined-term'>BM Unit</u> Aggregation Report</div>

<div data-id="5-5.13" style="margin-left: 2em">5.13 <u class='defined-term'>CDCA</u>-I049: (output) Total Demand per GSP</div>

<div data-id="5-5.14" style="margin-left: 2em">5.14 <u class='defined-term'>CDCA</u>-I051: (output) Report <u class='defined-term'>Meter Technical Details</u></div>

<div data-id="5-5.15" style="margin-left: 2em">5.15 <u class='defined-term'>CDCA</u>-I067: (input) Disconnected CVA <u class='defined-term'>BM Unit</u>s</div>

<div data-id="5-5.16" style="margin-left: 2em">5.16 CRA-I007: (input/output) <u class='defined-term'>Boundary Point</u> and <u class='defined-term'>System</u> Connection Point Data</div>

<div data-id="5-5.17" style="margin-left: 2em">5.17 CRA-I008: (input) <u class='defined-term'>Interconnector</u> Registration Details</div>

<div data-id="5-5.18" style="margin-left: 2em">5.18 CRA-I013: (output, common) Issue Authentication Report</div>

<div data-id="5-5.19" style="margin-left: 2em">5.19 CRA-I014: (output, part 1) Registration Report</div>

<div data-id="5-5.20" style="margin-left: 2em">5.20 CRA-I020: (output) Operations Registration Report</div>

<div data-id="5-5.21" style="margin-left: 2em">5.21 CRA-I028: (output) NGC Standing Data Report</div>

<div data-id="5-5.22" style="margin-left: 2em">5.22 SAA-I012 (input, part 1) Dispute Notification</div>

<div data-id="5-5.23" style="margin-left: 2em">5.23 SAA-I014 (output) <u class='defined-term'>Settlement</u> Report</div>

<div data-id="5-5.24" style="margin-left: 2em">5.24 SAA-I017: (output, common) SAA Data Exception Report</div>

<div data-id="5-5.25" style="margin-left: 2em">5.25 SAA-I018 (output, part 1) Dispute Report</div>

<div data-id="5-5.26" style="margin-left: 2em">5.26 SAA-I026: (input) Price Adjustment Data</div>

<div data-id="5-5.27" style="margin-left: 2em">5.27 SAA-I033: (input) Receive Request for Data Change</div>

<div data-id="5-5.28" style="margin-left: 2em">5.28 <u class='defined-term'>BMRA</u>-I024: (input) Large Combustion <u class='defined-term'>Plant</u> <u class='defined-term'>Directive</u> Spreadsheet<a class="sdfootnoteanc" name="sdfootnote13anc" href="#sdfootnote13sym" data-footnote="P226"><sup>13</sup></a></div>

<div data-id="5-5.29" style="margin-left: 2em">5.29 <u class='defined-term'>BMRA</u>-I025: (input) SO-SO Prices</div>

<div data-id="5-5.30" style="margin-left: 2em">5.30 <u class='defined-term'>BMRA</u>-I026: (input) SO-SO Standing Data</div>

<div data-id="5-5.31" style="margin-left: 2em">5.31 <u class='defined-term'>BMRA</u>-I028: (input) Receive <u class='defined-term'>REMIT</u> Data</div>

<div data-id="5-5.32" style="margin-left: 2em">5.32 <u class='defined-term'>BMRA</u>-I029: (input) Receive <u class='defined-term'>Transparency Regulation Data</u></div>

<div data-id="5-5.33" style="margin-left: 2em">5.33 <u class='defined-term'>BMRA</u>-I036: (input) Receive <u class='defined-term'>Replacement Reserve</u> Data</div>

<div data-id="5-5.34" style="margin-left: 2em">5.34 P0292: (input) ABS <u class='defined-term'>MSID Pair Delivered Volume</u> Notification</div>

<div data-id="5-5.35" style="margin-left: 2em">5.35 P0293: (output) Rejection of ABS <u class='defined-term'>MSID Pair Delivered Volume</u></div>

<div data-id="5-5.36" style="margin-left: 2em">5.36 P0294: (output) Confirmation of ABS <u class='defined-term'>MSID Pair Delivered Volume</u></div>

<div data-id="5-5.37" style="margin-left: 2em">5.37 P0295: (output) ABS <u class='defined-term'>MSID Pair Delivered Volume</u> Exception Report</div>

<div data-id="5" style="margin-left: 1em">5 Interfaces From and To the NETSO</div>

<div data-id="6-6.1" style="margin-left: 2em">6.1 CRA-I004: (input, common) BSC Service Agent Details</div>

<div data-id="6-6.2" style="margin-left: 2em">6.2 CRA-I013: (output, common) Issue Authentication Report</div>

<div data-id="6-6.3" style="margin-left: 2em">6.3 CRA-I015: (output, common) <u class='defined-term'>BM Unit</u> and <u class='defined-term'>Energy Account</u> Registration Data</div>

<div data-id="6-6.4" style="margin-left: 2em">6.4 <u class='defined-term'>ECVAA</u>-I006: (input) Credit Limit Data</div>

<div data-id="6-6.5" style="margin-left: 2em">6.5 <u class='defined-term'>ECVAA</u>-I016: (output, common) <u class='defined-term'>ECVAA</u> Data Exception Report</div>

<div data-id="6-6.6" style="margin-left: 2em">6.6 SAA-I011: (input) <u class='defined-term'>Payment Calendar</u> Data</div>

<div data-id="6-6.7" style="margin-left: 2em">6.7 SAA-I013: (output, common) Credit/Debit Reports</div>

<div data-id="6" style="margin-left: 1em">6 Interfaces From and To FAA</div>

<div data-id="7-7.1" style="margin-left: 2em">7.1 <u class='defined-term'>BMRA</u>-I010: (output, common) Data Exception Reports</div>

<div data-id="7-7.2" style="margin-left: 2em">7.2 <u class='defined-term'>BMRA</u>-I011: (output) Performance Reports</div>

<div data-id="7-7.3" style="margin-left: 2em">7.3 <u class='defined-term'>BMRA</u>-I012: (input) <u class='defined-term'>System</u> Parameters</div>

<div data-id="7-7.4" style="margin-left: 2em">7.4 <u class='defined-term'>BMRA</u>-I013: (output) <u class='defined-term'>BMRA</u> BSC Section D Charging Data</div>

<div data-id="7-7.5" style="margin-left: 2em">7.5 <u class='defined-term'>CDCA</u>-I014: (output, part 1) Estimated Data Report</div>

<div data-id="7-7.6" style="margin-left: 2em">7.6 <u class='defined-term'>BMRA</u>-I016: (input) Receive <u class='defined-term'>Market Index Data Provider</u> Thresholds</div>

<div data-id="7-7.7" style="margin-left: 2em">7.7 <u class='defined-term'>BMRA</u>-I017: (output) Report <u class='defined-term'>Market Index Data Provider</u> Thresholds</div>

<div data-id="7-7.8" style="margin-left: 2em">7.8 <u class='defined-term'>CDCA</u>-I018: (output, part 1) MAR Reconciliation Report</div>

<div data-id="7-7.9" style="margin-left: 2em">7.9 <u class='defined-term'>CDCA</u>-I019: (output, part 1) MAR Remedial Action Report</div>

<div data-id="7-7.10" style="margin-left: 2em">7.10 <u class='defined-term'>CDCA</u>-I022: (input) Distribution <u class='defined-term'>Line Loss Factor</u>s</div>

<div data-id="7-7.11" style="margin-left: 2em">7.11 <u class='defined-term'>CDCA</u>-I023: (output) Missing <u class='defined-term'>Line Loss Factor</u>s</div>

<div data-id="7-7.12" style="margin-left: 2em">7.12 <u class='defined-term'>CDCA</u>-I032: (output) Data Collection and Aggregation Performance Report</div>

<div data-id="7-7.13" style="margin-left: 2em">7.13 <u class='defined-term'>CDCA</u>-I047: (output, part 1) Correspondence Receipt Acknowledgement</div>

<div data-id="7-7.14" style="margin-left: 2em">7.14 <u class='defined-term'>CDCA</u>-I061 (input) Receive <u class='defined-term'>System</u> Parameters</div>

<div data-id="7-7.15" style="margin-left: 2em">7.15 <u class='defined-term'>CDCA</u>-I062: (input) Receive <u class='defined-term'>Sample Settlement Period</u>s<a class="sdfootnoteanc" name="sdfootnote14anc" href="#sdfootnote14sym" data-footnote="This functionality was added for the Introduction of Zonal Transmission Losses on an Average Basis (P82), but will not be used."><sup>14</sup></a></div>

<div data-id="7-7.16" style="margin-left: 2em">7.16 <u class='defined-term'>CDCA</u>-I063: (output) <u class='defined-term'>Metered Volume</u> Data for <u class='defined-term'>Sample Settlement Period</u>s</div>

<div data-id="7-7.17" style="margin-left: 2em">7.17 <u class='defined-term'>CDCA</u>-I064: (output) MOA Proving Tests Report</div>

<div data-id="7-7.18" style="margin-left: 2em">7.18 <u class='defined-term'>CDCA</u>-I065: (output) MOA Fault Resolution Report</div>

<div data-id="7-7.19" style="margin-left: 2em">7.19 CRA-I001: (input &amp; output, part 1) BSC <u class='defined-term'>Party Registration Data</u></div>

<div data-id="7-7.20" style="margin-left: 2em">7.20 CRA-I003: (input, part 1) BSC <u class='defined-term'>Party Agent</u> Registration Data</div>

<div data-id="7-7.21" style="margin-left: 2em">7.21 CRA-I004: (input, common) BSC Service Agent Details</div>

<div data-id="7-7.22" style="margin-left: 2em">7.22 CRA-I009: (input) Receive Manual Credit Qualifying Flag (Redundant)</div>

<div data-id="7-7.23" style="margin-left: 2em">7.23 CRA-I011: (input) <u class='defined-term'>Credit Assessment Load Factor</u>s</div>

<div data-id="7-7.24" style="margin-left: 2em">7.24 CRA-I020: (output, common) Operations Registration Report</div>

<div data-id="7-7.25" style="margin-left: 2em">7.25 CRA-I028: (output) NGC Standing Data Report</div>

<div data-id="7-7.26" style="margin-left: 2em">7.26 CRA-I029: (input) <u class='defined-term'>Transmission Loss Factor</u>s</div>

<div data-id="7-7.27" style="margin-left: 2em">7.27 CRA-I032: (output) CRA Performance Reports</div>

<div data-id="7-7.28" style="margin-left: 2em">7.28 CRA-I034: (input) Flexible Reporting Request</div>

<div data-id="7-7.29" style="margin-left: 2em">7.29 CRA-I035: (output) CRA BSC Section D Charging Data</div>

<div data-id="7-7.30" style="margin-left: 2em">7.30 CRA-I042: (input) Receive <u class='defined-term'>Market Index Data Provider</u> Registration Data</div>

<div data-id="7-7.31" style="margin-left: 2em">7.31 CRA-I043: (input) Receive Exempt <u class='defined-term'>Export</u> Registration Data</div>

<div data-id="7-7.32" style="margin-left: 2em">7.32 CRA-I044: (input) Withdrawals Checklist Request</div>

<div data-id="7-7.33" style="margin-left: 2em">7.33 CRA-I047: (output) Withdrawals Checklist</div>

<div data-id="7-7.34" style="margin-left: 2em">7.34 CRA-I050: GC or DC Breach Estimation Challenge Decision</div>

<div data-id="7-7.35" style="margin-left: 2em">7.35 <u class='defined-term'>ECVAA</u>-I017: (output) <u class='defined-term'>ECVAA</u> Performance Report</div>

<div data-id="7-7.36" style="margin-left: 2em">7.36 <u class='defined-term'>ECVAA</u>-I021: (output) Credit Limit Warning</div>

<div data-id="7-7.37" style="margin-left: 2em">7.37 <u class='defined-term'>ECVAA</u>-I023: (output) <u class='defined-term'>ECVAA</u> BSC Section D Charging Data</div>

<div data-id="7-7.38" style="margin-left: 2em">7.38 <u class='defined-term'>ECVAA</u>-I026: (output) Minimum Eligible Amount Request</div>

<div data-id="7-7.39" style="margin-left: 2em">7.39 <u class='defined-term'>ECVAA</u>-I027: (input) Notification of BSC Parties in Section H <u class='defined-term'>Default</u></div>

<div data-id="7-7.40" style="margin-left: 2em">7.40 <u class='defined-term'>ECVAA</u>-I032: (input) <u class='defined-term'>Credit Assessment Price</u></div>

<div data-id="7-7.41" style="margin-left: 2em">7.41 <u class='defined-term'>ECVAA</u>-I040: (output) Issue Notification <u class='defined-term'>System</u> Status Report</div>

<div data-id="7-7.42" style="margin-left: 2em">7.42 <u class='defined-term'>ECVAA</u>-I041: Receive <u class='defined-term'>Party</u> <u class='defined-term'>Credit Default</u> Authorisation Details</div>

<div data-id="7-7.43" style="margin-left: 2em">7.43 SAA-I010: (input) <u class='defined-term'>BSCCo</u> Ltd Cost Data (Redundant)</div>

<div data-id="7-7.44" style="margin-left: 2em">7.44 SAA-I012: (input, part 1) Dispute Notification</div>

<div data-id="7-7.45" style="margin-left: 2em">7.45 SAA-I014 (output) <u class='defined-term'>Settlement</u> Reports</div>

<div data-id="7-7.46" style="margin-left: 2em">7.46 SAA-I016: (output, part 1) <u class='defined-term'>Settlement Calendar</u></div>

<div data-id="7-7.47" style="margin-left: 2em">7.47 SAA-I018: (output, part 1) Dispute Report</div>

<div data-id="7-7.48" style="margin-left: 2em">7.48 SAA-I019: (output) BSC <u class='defined-term'>Party</u> Performance Reports (Redundant)</div>

<div data-id="7-7.49" style="margin-left: 2em">7.49 SAA-I020: (output) SAA Performance Reports</div>

<div data-id="7-7.50" style="margin-left: 2em">7.50 SAA-I023: (input) <u class='defined-term'>System</u> Parameters</div>

<div data-id="7-7.51" style="margin-left: 2em">7.51 SAA-I025: (output) SAA BSC Section D Charging Data</div>

<div data-id="7-7.52" style="margin-left: 2em">7.52 SAA-I027: (output) Report pre-settlement run validation failure</div>

<div data-id="7-7.53" style="margin-left: 2em">7.53 SAA-I028: (input) Receive settlement run decision</div>

<div data-id="7-7.54" style="margin-left: 2em">7.54 SAA-I029: (input) Receive settlement run instructions</div>

<div data-id="7-7.55" style="margin-left: 2em">7.55 SAA-I031: (input) Receive <u class='defined-term'>Market Index Data Provider</u> Thresholds</div>

<div data-id="7-7.56" style="margin-left: 2em">7.56 SAA-I032: (output) Report <u class='defined-term'>Market Index Data Provider</u> Thresholds</div>

<div data-id="7-7.57" style="margin-left: 2em">7.57 SAA-I034: (output) Report Recommended Data Change</div>

<div data-id="7-7.58" style="margin-left: 2em">7.58 SAA-I035: (input) Receive Instruction for Data Change</div>

<div data-id="7-7.59" style="margin-left: 2em">7.59 SAA-I036: (output) Report Confirmation of Data Change</div>

<div data-id="7-7.60" style="margin-left: 2em">7.60 SAA- I038: (input) Receive Excluded <u class='defined-term'>Emergency Acceptance</u> Pricing Information</div>

<div data-id="7-7.61" style="margin-left: 2em">7.61 SAA-I039: (output) Send Excluded <u class='defined-term'>Emergency Acceptance</u> Dry Run Results</div>

<div data-id="7-7.62" style="margin-left: 2em">7.62 SAA- I040: (input) Receive Authorisation To Proceed With Full <u class='defined-term'>Settlement Run</u></div>

<div data-id="7-7.63" style="margin-left: 2em">7.63 <u class='defined-term'>ECVAA</u>-I049: (input) Request to remove all ECVNs and MVRNs from <u class='defined-term'>ECVAA</u> for a <u class='defined-term'>Party</u> in Section H <u class='defined-term'>Default</u></div>

<div data-id="7-7.64" style="margin-left: 2em">7.64 <u class='defined-term'>ECVAA</u>-I050: (output) Remove all ECVNs and MVRNs from <u class='defined-term'>ECVAA</u> for a <u class='defined-term'>Party</u> in Section H <u class='defined-term'>Default</u> Feedback.</div>

<div data-id="7-7.65" style="margin-left: 2em">7.65 <u class='defined-term'>ECVAA</u>-I053: Daily Wholesale Market Activity Report</div>

<div data-id="7-7.66" style="margin-left: 2em">7.66 <u class='defined-term'>BMRA</u>-I033: (Input) <u class='defined-term'>STOR Availability Window</u></div>

<div data-id="7-7.67" style="margin-left: 2em">7.67 SAA-I046: (Input) <u class='defined-term'>STOR Availability Window</u></div>

<div data-id="7" style="margin-left: 1em">7 Interfaces From and To <u class='defined-term'>BSCCo</u> Ltd</div>

<div data-id="8-8.1" style="margin-left: 2em">8.1 <u class='defined-term'>CDCA</u>-I043: (output) <u class='defined-term'>GSP Group Take</u> to <u class='defined-term'>SVAA</u></div>

<div data-id="8-8.2" style="margin-left: 2em">8.2 CRA-I004: Agent Details</div>

<div data-id="8-8.3" style="margin-left: 2em">8.3 SAA-I007: (input) <u class='defined-term'>BM Unit Allocated Demand Volume</u></div>

<div data-id="8-8.4" style="margin-left: 2em">8.4 SAA-I016: (output, part 1) <u class='defined-term'>Settlement Calendar</u></div>

<div data-id="8-8.5" style="margin-left: 2em">8.5 SAA-I017: (output, common) SAA Data Exception Report</div>

<div data-id="8-8.6" style="margin-left: 2em">8.6 CRA-I015: (output) <u class='defined-term'>BM Unit</u> Registration Data</div>

<div data-id="8-8.7" style="margin-left: 2em">8.7 <u class='defined-term'>BMRA</u>-I032: (output) <u class='defined-term'>Demand Control Instruction</u>s to <u class='defined-term'>SVAA</u></div>

<div data-id="8-8.8" style="margin-left: 2em">8.8 SAA-I045: (input) <u class='defined-term'>BM Unit Allocated Demand Disconnection Volume</u></div>

<div data-id="8-8.9" style="margin-left: 2em">8.9 SAA-I050: (input) <u class='defined-term'>Secondary BM Unit Demand Volume</u>s</div>

<div data-id="8-8.10" style="margin-left: 2em">8.10 SAA-I051: (input) <u class='defined-term'>Secondary BM Unit Supplier Delivered Volume</u>s</div>

<div data-id="8-8.11" style="margin-left: 2em">8.11 SAA-I052: (output) Daily Activations Report</div>

<div data-id="8-8.12" style="margin-left: 2em">8.12 SAA-I054: (input) <u class='defined-term'>Supplier BM Unit Non BM ABSVD</u></div>

<div data-id="8-8.13" style="margin-left: 2em">8.13 SAA-I055: <u class='defined-term'>BM Unit</u> <u class='defined-term'>Settlement Expected Volumes</u></div>

<div data-id="8-8.14" style="margin-left: 2em">8.14 SAA-I057: <u class='defined-term'>Supplier BM Unit</u> Period Non-Chargeable Demand</div>

<div data-id="8-8.15" style="margin-left: 2em">8.15 SAA-I059: <u class='defined-term'>Supplier BM Unit</u> Period Total Gross Non-<u class='defined-term'>Final Demand</u></div>

<div data-id="8-8.16" style="margin-left: 2em">8.16 SAA-I060: <u class='defined-term'>BM Unit</u> Period <u class='defined-term'>Deviation Volume</u></div>

<div data-id="8" style="margin-left: 1em">8 Interfaces From and To <u class='defined-term'>Stag</u>e 2</div>

<div data-id="9-9.1" style="margin-left: 2em">9.1 <u class='defined-term'>BMRA</u>-I001 (input): Registration Data</div>

<div data-id="9-9.2" style="margin-left: 2em">9.2 <u class='defined-term'>BMRA</u>-I007 (output) SAA/<u class='defined-term'>ECVAA</u> Balancing Mechanism Data</div>

<div data-id="9-9.3" style="margin-left: 2em">9.3 <u class='defined-term'>BMRA</u>-I010: (output, common) Data Exception Reports</div>

<div data-id="9-9.4" style="margin-left: 2em">9.4 This interface is defined in Part 1 of the Interface Definition and Design.<u class='defined-term'>BMRA</u>-I018: (input) Publish <u class='defined-term'>Credit Default</u> Report</div>

<div data-id="9-9.5" style="margin-left: 2em">9.5 <u class='defined-term'>BMRA</u>-I038: (input) Receive Exempt Supply Volume</div>

<div data-id="9-9.6" style="margin-left: 2em">9.6 <u class='defined-term'>CDCA</u>-I002: (input) Registration Data</div>

<div data-id="9-9.7" style="margin-left: 2em">9.7 <u class='defined-term'>CDCA</u>-I016: (input) Information from TAA</div>

<div data-id="9-9.8" style="margin-left: 2em">9.8 <u class='defined-term'>CDCA</u>-I020: (input) Site Visit Inspection Report</div>

<div data-id="9-9.9" style="margin-left: 2em">9.9 <u class='defined-term'>CDCA</u>-I027: (output) Aggregated <u class='defined-term'>Interconnector</u> <u class='defined-term'>Meter</u> Flow Volumes</div>

<div data-id="9-9.10" style="margin-left: 2em">9.10 <u class='defined-term'>CDCA</u>-I028: (output) Aggregated <u class='defined-term'>BM Unit</u> <u class='defined-term'>Meter</u> Flow Volumes</div>

<div data-id="9-9.11" style="margin-left: 2em">9.11 <u class='defined-term'>CDCA</u>-I034: <u class='defined-term'>Settlement Calendar</u></div>

<div data-id="9-9.12" style="margin-left: 2em">9.12 <u class='defined-term'>CDCA</u>-I035: (input) Site Visit Report on Aggregation Rule Compliance</div>

<div data-id="9-9.13" style="margin-left: 2em">9.13 <u class='defined-term'>CDCA</u>-I036: (output) <u class='defined-term'>GSP Group Take</u> to SAA</div>

<div data-id="9-9.14" style="margin-left: 2em">9.14 <u class='defined-term'>CDCA</u>-I039: (output) Information to TAA</div>

<div data-id="9-9.15" style="margin-left: 2em">9.15 <u class='defined-term'>CDCA</u>-I050: (input) Data Exception Reports</div>

<div data-id="9-9.16" style="margin-left: 2em">9.16 <u class='defined-term'>CDCA</u>-I066: (input) <u class='defined-term'>Demand Control Instruction</u>s to <u class='defined-term'>CDCA</u></div>

<div data-id="9-9.17" style="margin-left: 2em">9.17 <u class='defined-term'>CDCA</u>-I068: (output) <u class='defined-term'>Period BM Unit Demand Disconnection Volume</u>s</div>

<div data-id="9-9.19" style="margin-left: 2em">9.19 CRA-I013: (output, common) Issue Authentication Report</div>

<div data-id="9-9.20" style="margin-left: 2em">9.20 CRA-I015: (output, common) <u class='defined-term'>BM Unit</u> and <u class='defined-term'>Energy Account</u> Registration Data</div>

<div data-id="9-9.21" style="margin-left: 2em">9.21 CRA-I017 (output): Credit Assessment Capability</div>

<div data-id="9-9.22" style="margin-left: 2em">9.22 CRA-I019: (output) Registration Data</div>

<div data-id="9-9.23" style="margin-left: 2em">9.23 CRA-I022: (output) <u class='defined-term'>Metering System</u> Details</div>

<div data-id="9-9.24" style="margin-left: 2em">9.24 CRA-I030: (input) Data Exception Reports</div>

<div data-id="9" style="margin-left: 1em">9 Interfaces Within BSC Central <u class='defined-term'>System</u>s</div>

CONTENTS

NETA Interface Definition and Design Document Part 2 – Interfaces to other service providers V52.0