SOAP request - no contact

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="urn:Project365APIWebServices" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body>
<ns1:addCustomer>
<ssid xsi:type="xsd:string">Ales</ssid>
<customer xsi:type="ns1:Customer">
<Author xsi:type="xsd:string">Aldak</Author>
<BankAccount xsi:nil="true"/>
<ChangeDate xsi:nil="true"/>
<ChangeIP xsi:nil="true"/>
<ChangedBy xsi:nil="true"/>
<CompanyID xsi:type="xsd:string">123456789</CompanyID>
<CompanyName xsi:type="xsd:string">Ufon s.r.o.</CompanyName>
<CreationDate xsi:type="xsd:string">2012-02-02 23:05:33</CreationDate>
<CreationIP xsi:type="xsd:string">10.10.10.10</CreationIP>
<DegreeAfter xsi:nil="true"/>
<DegreeBefore xsi:nil="true"/>
<FirstName xsi:type="xsd:string">Franta</FirstName>
<ID xsi:nil="true"/>
<InvoiceTogether xsi:type="xsd:boolean">false</InvoiceTogether>
<LastName xsi:type="xsd:string">Jetel</LastName>
<LegalForm xsi:type="xsd:long">0</LegalForm>
<VAT xsi:type="xsd:string">CZ123456799</VAT>
<contacts xsi:nil="true"/>
</customer>
</ns1:addCustomer>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>