ISO 10303-214:2010(E)
An Effectivity_relationship is a relationship between two Effectivity objects.
NOTE Sometimes the effectivity is not dependent on particular dates but on the effectivity of other items. In this case the dates are not instantiated and there is an Effectivity_relationship to the reference Effectivity.
The data associated with an Effectivity_relationship are the following:
The description specifies additional information about the Effectivity_relationship.
See effectivity_relationship to multi_language_string for the application assertion.
The description need not be specified for a particular Effectivity_relationship.
If present, there shall be exactly one object that defines the description for an Effectivity_relationship.
The related specifies the second of the two Effectivity objects related by the Effectivity_relationship.
NOTE The semantics of this attribute are defined by the attribute 'relation_type'.
See effectivity_relationship to effectivity for the application assertion.
The relating specifies the first of the two Effectivity objects related by the Effectivity_relationship.
NOTE The semantics of this attribute are defined by the attribute 'relation_type'.
See effectivity_relationship to effectivity for the application assertion.
The relation_type specifies the meaning of the relationship.
Where applicable the following values shall be used:
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