White Papers

6 Version 2.1.1
3.1
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Conditional – Indicates requirements to be followed strictly in order to conform to the document when the
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specified conditions are met.
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3.2
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Mandatory – Indicates requirements to be followed strictly in order to conform to the document and from
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which no deviation is permitted.
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3.3
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May – Indicates a course of action permissible within the limits of the document.
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3.4
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Optional – Indicates a course of action permissible within the limits of the document.
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3.5
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can – Used for statements of possibility and capability, whether material, physical, or causal.
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3.6
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cannot – Used for statements of possibility and capability, whether material, physical, or causal.
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3.7
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need not – Indicates a course of action permissible within the limits of the document.
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3.8
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referencing profile – Indicates a profile that owns the definition of this class and can include a reference
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to this profile in its “Related Profiles” table.
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3.9
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shall – Indicates requirements to be followed strictly in order to conform to the document and from which
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no deviation is permitted.
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