Message

A Main Activity MUST have a type of the value of "http://publications.europa.eu/resource/authority/main-activity".

Context
query:QueryRequest/query:Query/rim:Slot[@name='BuyerInformation']/rim:Slot[@name='MainActivity']
Test
@type='http://publications.europa.eu/resource/authority/main-activity'
Usage
/ query:QueryRequest / query:Query / rim:Slot@name=BuyerInformation / rim:Slot@name=MainActivity / @type