This portfolio assignment, part of the PPMP20011 unit, focuses on the critical aspects of commercial negotiation and project communication. It delves into the differences between commercial negotiation and project communication, examining how negotiation processes vary based on economic, strategic, and tactical logic. The assignment explores the impact of governance features, project complexity, and the Johari-Oriented Cynefin Typology on negotiation approaches. It also covers the role of the project manager in negotiation, communication requirements in commercial settings, and the importance of non-verbal communication. The assignment includes reflections on reading materials, learning outcomes, and supporting documentation, providing a comprehensive understanding of negotiation strategies, conflict management, and stakeholder engagement within the context of project management. The student analyzes various aspects of negotiation, including disputes, claims, variations, arbitration, and the differences in government and private sector negotiations. Finally, the assignment covers project management standards, frameworks, contractual arrangements, and the philosophical basis of negotiation, including arguments, logic, and ethics.