The TAS3 Status Header is based on the
<e:Envelope>
<e:Header>
<tas3:Status
xmlns:tas3="http://tas3.eu/tas3/200911/"
ctlpt="urn:tas3:ctlpt:app"
code="OK"/>
</e:Header>
<e:Body>...</>
</e:Envelope>
The API, such as tas3_get_tas3_status() for creating and inspecting TAS3 Status Header is described in section 3.1.13 "SOAP Fault and Status Generation and Inspection".