Translation. Original: auth/context-identifier-nip-vat-ue.md
xml
<?xml version="1.0" encoding="utf-8"?>
<AuthTokenRequest xmlns="http://ksef.mf.gov.pl/auth/token/2.0">
<Challenge>20250604-CR-461EA5B000-537A6BA15D-D7</Challenge>
<ContextIdentifier>
<NipVatUe>5265877635-ATU12345678</NipVatUe>
</ContextIdentifier>
<SubjectIdentifierType>certificateSubject</SubjectIdentifierType>
</AuthTokenRequest>