This new second edition guide is specifically about how to express textual requirements in the context of systems engineering. The aim is to draw together advice from a variety of existing standards into a single, comprehensive set of characteristics and rules. It focuses on how to express requirements clearly and precisely as text once they have been discovered, and in a form convenient for further analysis. Writers of requirements will need to conform to the existing template required by their organization.
The Guide for Writing Requirements is supported by the Requirements Working Group
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A digital Edition of the Guide is available in the INCOSE Store