requirement

Information requirement	Business Object(s)
The representation of a need by a person or an organisation.	Requirement
Identification of the requirement.	Requirement
Objective description of what is required, including property values and units. This can be for any aspect related to Through Life Support.	Requirement
The representation of the decomposition of requirements into sub requirements.	Requirement Composition
The representation of the derivation of a requirement from another requirement.	Requirement Derivation
The approval status of the requirement and the date on which the status was assigned.	Status Assignment
The date upon which the requirement was defined.	Requirement
The date by which the requirement shall be satisfied.	Requirement
The validity period of the requirement.	Requirement
The priority of the requirement.	Requirement
The category of the requirement.	Requirement
Versioning of the requirement and the date of each version.	Requirement
The acceptance criteria by which the requirement will be deemed to have been satisfied. This may include specification of the constraints applied to the requirement, for example cost, location, resource, applicable standards, solution directive, deadline or timescale by which it is to be satisfied.	Requirement
The context that gave rise to the requirement.	Requirement
The justification for the requirement, typically a business case or cost benefit analysis.	Requirement
Documentation associated with the requirement.	Document, Document Association

In terms of business objects, these information requirements are modelled as shown below in Figure 1.

NOTE For clarity, not all of the dependent business objects are included on the diagram.

requirement Business Information Requirements