From HEXONET Wiki
EPP example of an availability check for .UK domain names that are not subject to a right of registration:
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>randomdomain.uk</domain:name> <domain:name>nic.uk</domain:name> <domain:name>example.uk</domain:name> </domain:check> </check> <clTRID>HEXONET-12345</clTRID> </command> </epp>