21.0

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

<div data-id="1-1.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">1.2 Main Users of the Document</div>

<div data-id="1-1.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">1.3 Balancing and <u class='defined-term'>Settlement</u> <u class='defined-term'>Code</u> Provision</div>

<div data-id="1-1.4" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">1.4 Associated <u class='defined-term'>BSC Procedure</u>s</div>

<div data-id="1" style="text-align:left">1. Introduction</div>

<div data-id="2-2.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">2.1 List of Acronyms</div>

<div data-id="2-2.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">2.2 List of Definitions</div>

<div data-id="2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">2. Acronyms and Definitions</div>

<div data-id="3-3.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.1 Deemed Receipt of <u class='defined-term'>Communication</u>s to and from <u class='defined-term'>BSC Agent</u>s.</div>

<div data-id="3-3.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3.2 Deemed Receipt of <u class='defined-term'>Credit Default</u> Notices</div>

<div data-id="3-3.3" style="margin-left:0.5in;text-align:left">3.3 <u class='defined-term'>Time Standard</u></div>

<div data-id="3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">3. Receipt of <u class='defined-term'>Communication</u> for the SAA, <u class='defined-term'>ECVAA</u>, CRA and <u class='defined-term'>CDCA</u></div>

<div data-id="4-4.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.1. Introduction</div>

<div data-id="4-4.2-4.2.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.2.1 Service Definition</span></i></div>

<div data-id="4-4.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.2. Specification of Service</div>

<div data-id="4-4.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.3 Application for the Provision of Service</div>

<div data-id="4-4.4" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.4 Availability</div>

<div data-id="4-4.5-4.5.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.5.1 This section is not currently in use</span></i></div>

<div data-id="4-4.5-4.5.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.5.2 <u class='defined-term'>ECVAA</u> Web Service Security</span></i></div>

<div data-id="4-4.5" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.5 Security</div>

<div data-id="4-4.7-4.7.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.7.1 Network <u class='defined-term'>Communication</u>s</span></i></div>

<div data-id="4-4.7-4.7.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.7.2 Software</span></i></div>

<div data-id="4-4.7-4.7.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.7.3 Responsibilities</span></i></div>

<div data-id="4-4.7" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.7 Technical Specification</div>

<div data-id="4-4.8" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.8 Installation</div>

<div data-id="4-4.9" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.9 Management of Service</div>

<div data-id="4-4.10" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.10 This section is no longer in use</div>

<div data-id="4-4.11" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.11 Termination</div>

<div data-id="4-4.13" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.13 Restrictions</div>

<div data-id="4-4.14" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.14 Variations</div>

<div data-id="4-4.15" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.15 Service Upgrades</div>

<div data-id="4-4.16" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.16 Testing of Participants’ <u class='defined-term'>Communication</u></div>

<div data-id="4-4.17-4.17.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.17.1 Correct generation of all Relevant Files / Messages and Transfer to the Service Provider.</span></i></div>

<div data-id="4-4.17-4.17.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.17.2 Receiving Valid Files / Messages Generated by the Service Provider.</span></i></div>

<div data-id="4-4.17-4.17.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>4.17.3 Correct Rejection of all Received Invalid Files / Messages.</span></i></div>

<div data-id="4-4.17" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4.17 <u class='defined-term'>Qualification</u> Tests</div>

<div data-id="4" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">4. Service Requirements – CRA, <u class='defined-term'>CDCA</u>, <u class='defined-term'>ECVAA</u> and SAA</div>

<div data-id="5-5.1-5.1.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>5.1.1 Flows requiring testing</span></i></div>

<div data-id="5-5.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">5.1 Registration Activity</div>

<div data-id="5-5.2-5.2.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>5.2.1 Flows to be tested when triggered by registration</span></i></div>

<div data-id="5-5.2" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">5.2 <u class='defined-term'>Meter</u>ing Activity</div>

<div data-id="5-5.3-5.3.1" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify"><i><span>5.3.1 Flows Requiring Testing</span></i></div>

<div data-id="5-5.3" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">5.3 Trading Flows</div>

<div data-id="5-5.4-5.4.1" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><i><span>5.4.1 <u class='defined-term'>ECVNA</u> Flows Requiring Testing</span></i></div>

<div data-id="5-5.4-5.4.2" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><i><span>5.4.2 <u class='defined-term'>MVRNA</u> Flows Requiring Testing</span></i></div>

<div data-id="5-5.4-5.4.3" style="margin-left:0.59in;text-align:left;text-indent:-0.59in"><i><span>5.4.3 MOA Flows Requiring Testing</span></i></div>

<div data-id="5-5.4" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.4 <u class='defined-term'>Party Agent</u> Flows</div>

<div data-id="5-5.5" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.5 MIDP Flows Requiring Testing</div>

<div data-id="5-5.6" style="margin-left:0.59in;text-align:left;text-indent:-0.59in">5.6 VLP<span> </span>and AMVLP Flows Requiring Testing</div>

<div data-id="5" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">5. Definition of Data Flows to be Tested</div>

<div data-id="6" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">6. <u class='defined-term'>Communication</u>s Relating to the FAA</div>

<div data-id="7" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">7. Service Requirements – TAA</div>

<div data-id="8" style="margin-left:0.59in;text-indent:-0.59in;text-align: justify">8. <u class='defined-term'>Managed Data Network</u> Service</div>

CONTENTS

Communication Requirements Document A V21.0

Defined Terms

Cross-references