NWS directly supervises consultants and responsible for deliverable work products and services, and often approve the costs and expenses. NWS involves at a more detailed level and may accountable for the results of the work, the expectations are more often focused around assuring a smooth project process and delivery, including:

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1. Providing defect-free products and services that consistently meet and/or exceed needs and expectations;

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2. Delivering results within timeframe and budget, at the appropriate quality and performance levels; and

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3. Delivering responsiveness and support services that create customer satisfaction.