From HEXONET Wiki
EPP example of a check if a registrant is eligible to register a 2nd. level .UK domain name that is subject to a right of registration of a 3rd. level .UK domain name. In this example the registrant is eligible:
COMMAND
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd">
<command>
<check>
<domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0" xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0 domain-1.0.xsd">
<domain:name>adriana-1api-de.uk</domain:name>
</domain:check>
</check>
<extension>
<keyvalue:extension xmlns:keyvalue='http://schema.ispapi.net/epp/xml/keyvalue-1.0'>
<keyvalue:kv key='COMMAND' value='UK_CheckRightOfRegistration' />
<keyvalue:kv key='NAME' value='Mary Smith' />
<keyvalue:kv key='ORGANIZATION' value='Simple Registrant-1API-DE' />
<keyvalue:kv key='STREET' value='2 Test Street' />
<keyvalue:kv key='CITY' value='Test City' />
<keyvalue:kv key='STATE' value='Testshire' />
<keyvalue:kv key='ZIP' value='TE57 1NG' />
<keyvalue:kv key='COUNTRY' value='GB' />
<keyvalue:kv key='EMAIL' value='[email protected]' />
</keyvalue:extension>
</extension>
<clTRID>HEXONET-EPP-EXAMPLE</clTRID>
</command>
</epp>
RESPONSE
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd">
<response>
<result code="1000">
<msg>Command completed successfully</msg>
</result>
<resData>
<domain:chkData xmlns:domain="urn:ietf:params:xml:ns:domain-1.0" xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0 domain-1.0.xsd">
<domain:cd>
<domain:name avail="1">adriana-1api-de.uk</domain:name>
</domain:cd>
</domain:chkData>
</resData>
<extension>
<keyvalue:extension xmlns:keyvalue="http://schema.ispapi.net/epp/xml/keyvalue-1.0" xsi:schemaLocation="http://schema.ispapi.net/epp/xml/keyvalue-1.0 keyvalue-1.0.xsd">
<keyvalue:kv key="X-UK-RIGHT-OF-REGISTRATION-DOMAIN" value="adriana-1api-de.co.uk"/>
</keyvalue:extension>
</extension>
<trID>
<clTRID>HEXONET-EPP-EXAMPLE</clTRID>
<svTRID>RO-4228-1398927525581441</svTRID>
</trID>
</response>
</epp>
EPP example of a check if a registrant is eligible to register a 2nd. level .UK domain name that is subject to a right of registration of a 3rd. level .UK domain name. In this example the registrant is not eligible (the email address is not matching):
COMMAND
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd">
<command>
<check>
<domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0" xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0 domain-1.0.xsd">
<domain:name>adriana-1api-de.uk</domain:name>
</domain:check>
</check>
<extension>
<keyvalue:extension xmlns:keyvalue='http://schema.ispapi.net/epp/xml/keyvalue-1.0'>
<keyvalue:kv key='COMMAND' value='UK_CheckRightOfRegistration' />
<keyvalue:kv key='NAME' value='Mary Smith' />
<keyvalue:kv key='ORGANIZATION' value='Simple Registrant-1API-DE' />
<keyvalue:kv key='STREET' value='2 Test Street' />
<keyvalue:kv key='CITY' value='Test City' />
<keyvalue:kv key='STATE' value='Testshire' />
<keyvalue:kv key='ZIP' value='TE57 1NG' />
<keyvalue:kv key='COUNTRY' value='GB' />
<keyvalue:kv key='EMAIL' value='[email protected]' />
</keyvalue:extension>
</extension>
<clTRID>HEXONET-EPP-EXAMPLE</clTRID>
</command>
</epp>
RESPONSE
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd">
<response>
<result code="1000">
<msg>Command completed successfully</msg>
</result>
<resData>
<domain:chkData xmlns:domain="urn:ietf:params:xml:ns:domain-1.0" xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0 domain-1.0.xsd">
<domain:cd>
<domain:name avail="0">adriana-1api-de.uk</domain:name>
<domain:reason>EMAIL</domain:reason>
</domain:cd>
</domain:chkData>
</resData>
<extension>
<keyvalue:extension xmlns:keyvalue="http://schema.ispapi.net/epp/xml/keyvalue-1.0" xsi:schemaLocation="http://schema.ispapi.net/epp/xml/keyvalue-1.0 keyvalue-1.0.xsd">
<keyvalue:kv key="X-UK-RIGHT-OF-REGISTRATION-DOMAIN" value="adriana-1api-de.co.uk"/>
</keyvalue:extension>
</extension>
<trID>
<clTRID>HEXONET-EPP-EXAMPLE</clTRID>
<svTRID>RO-4228-1398928003359996</svTRID>
</trID>
</response>
</epp>
EPP example of a check if a registrant is eligible to register a 2nd. level .UK domain name that is subject to a right of registration of a 3rd. level .UK domain name. In this example the registrant is eligible:
COMMAND
RESPONSE