Message

A period end date shall be later or equal to the period start date.

Context
cv-req:Period
Test
not(cv-req:StartDate) or not(cv-req:EndDate) or xs:date(cv-req:StartDate) <= xs:date(cv-req:EndDate)
Usage
/ cv-req:CVRequest / cv-req:Course / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:Course / cv-req:Period / cv-req:EndDate
/ cv-req:CVRequest / cv-req:Course / cv-req:AlternativeCourse / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:Course / cv-req:AlternativeCourse / cv-req:Period / cv-req:EndDate
/ cv-req:CVRequest / cv-req:ProjectExperience / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:ProjectExperience / cv-req:Period / cv-req:EndDate
/ cv-req:CVRequest / cv-req:ProjectExperience / cv-req:AlternativeProjectExperience / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:ProjectExperience / cv-req:AlternativeProjectExperience / cv-req:Period / cv-req:EndDate
/ cv-req:CVRequest / cv-req:WorkExperience / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:WorkExperience / cv-req:Period / cv-req:EndDate
/ cv-req:CVRequest / cv-req:WorkExperience / cv-req:AlternativeWorkExperience / cv-req:Period / cv-req:StartDate
/ cv-req:CVRequest / cv-req:WorkExperience / cv-req:AlternativeWorkExperience / cv-req:Period / cv-req:EndDate