Due Care Posted on 8th November 201525th July 2021 by ThePD (The Project Definition) Due Care is the effort made by an ordinarily prudent or reasonable party to avoid harm to another that is used as a test of liability for negligence. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Business and tagged legal. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.