The discussions in the TWG concluded that the constraints members should include an optional valid from and valid to - this was to reduce maintenance of multiple constraints for different time periods - the text alludes to this, but the model and schema need to be updated to reflect this.
The discussions in the TWG concluded that the constraints members should include an optional valid from and valid to - this was to reduce maintenance of multiple constraints for different time periods - the text alludes to this, but the model and schema need to be updated to reflect this.