This method will be more useful for educational institute and research institute where the project can be executed by breaking it up into several phases. This will deliver the annual statutory changes on priority basis which will help the major change process that impacts the calculation based annual reports.
In practical terms this technology will be useful in delivering small pieces like simple forms when other process flow requirements were developed simultaneously. This favours lightweight approach of software development and documentation.
Highlights of this method were Teamwork, effective communication and metrics driven.