Pieprasījumu servisa biznesa transakcijas izsaukšanas pieprasījuma satura veidojošie XML elementi tiek aprakstīti atbilstoši šādiem standartiem:
- Envelope, Header, Body – SOAP v1.2;
- Action, RelatesTo – WS-Addresing v1.0;
- Security, Timestamp – WS-Security v1.1;
- StartTransactionResponse.
Ziņojuma piemērs:
<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://www.w3.org/2005/08/addressing" xmlns:u="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
<s:Header>
<a:Action s:mustUnderstand="1">http://ivis.eps.gov.lv/ISS/RequestServiss/v1-0/StartTransactionResponse</a:Action>
<a:RelatesTo>urn:uuid:ff7d698f-f90b-4a1a-be2d-1f7bb0c8afe6</a:RelatesTo>
<o:Security s:mustUnderstand="1" xmlns:o="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">
<u:Timestamp u:Id="_0">
<u:Created>2015-09-09T12:51:19.525Z</u:Created>
<u:Expires>2015-09-09T12:56:19.525Z</u:Expires>
</u:Timestamp>
</o:Security>
</s:Header>
<s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<StartTransactionResponse xmlns="http://ivis.eps.gov.lv/ISS/RequestServiss/v1-0">
<StartTransactionResult>URN:IVIS:100001:EP-TEST01-v1-0-TR-861</StartTransactionResult>
</StartTransactionResponse>
</s:Body>
</s:Envelope>