Message

SpecificationIdentification value MUST be 'urn:fdc:peppol.eu:prac:trns:t015:1.2'.

Context
lcm:SubmitObjectsRequest/rim:Slot[@name='SpecificationIdentification']
Test
rim:SlotValue[@xsi:type='rim:StringValueType']/rim:Value/text()[normalize-space() = 'urn:fdc:peppol.eu:prac:trns:t015:1.2']
Usage
/ lcm:SubmitObjectsRequest / rim:Slot@name=SpecificationIdentification / rim:SlotValue / rim:Value
/ lcm:SubmitObjectsRequest / rim:RegistryObjectList / rim:RegistryObject / rim:Slot@name=BuyerInformation / rim:Slot@name=BuyerPartyIdentification / rim:SlotValue / @xsi:type