DDEX Data Dictionary, 18-08-07

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Intro

ern:PeriodWithoutFlags

A message term for ern:NewReleaseMessage.

A Composite containing details about a Period of Time. Periods are typically describedby at least a StartDate or EndDate (or StartDateTime or EndDateTime) where the StartDate(Time) and EndDate(Time) are included in the Period. Thus a one-day period can be described by using the same date in the StartDate and EndDate. If two subsequent Periods form a continuum (i.e. with no break in-between) there are two ways to express this: (a) if using dates, the EndDate of the first Period must be one day before the StartDate of the second Period; (b) if using date times, the EndDateTime of the first Period must be the same as the StartDateTime of the second Period.

Component Structure
Components	Name	Description of Element Role	Cardinality	Data Type
	XmlChoice		1
	| XmlSequence		1
	|  | StartDate	A Composite containing details of the Date and Place of an Event that marks the beginning of the Period (in ISO 8601:2004 format: YYYY-MM-DD). The StartDate must be no later than the EndDate if both are provided.	0-1	ern:EventDateWithoutFlags
	|  | EndDate	A Composite containing details of the Date and Place of an Event that marks the end of the Period (in ISO 8601:2004 format: YYYY-MM-DD). The EndDate must not be earlier than the StartDate if both are provided.	0-1	ern:EventDateWithoutFlags
	| XmlSequence		1
	|  | StartDateTime	A Composite containing details of the DateTime and Place of an Event that marks the beginning of the Period (in ISO 8601:2004 format: YYYY-DD-MMThh:mm:ss). The StartDateTime must be no later than the EndDateTime if both are provided.	0-1	ern:EventDateTimeWithoutFlags
	|  | EndDateTime	A Composite containing details of the DateTime and Place of an Event that marks the end of the Period (in ISO 8601:2004 format: YYYY-DD-MMThh:mm:ss). The EndDateTime must not be earlier than the StartDateTime if both are provided.	0-1	ern:EventDateTimeWithoutFlags
Is Member of Composites	Composite Name	Description of Element Role	Cardinality
	ern:DealTerms	A Composite containing details about a Period of Time during which the Deal is valid. No StartDate in this Composite means that the Deal is valid as per contractual relationship between MessageSender and MessageRecipient. No EndDate in this Composite means that the Deal is valid until further notice.	1-n
	ern:ExternalResourceLink	A Composite containing details about the Period of Time during which the ddexC:ExternalResourceLink is active.	0-1

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