You are managing a portfolio linked to multiple business units and you set clear accountabilities from the beginning to avoid delays and to enhance the decision making process. Roles and…

The Communication Management Plan focuses specifically on how information will be distributed and to whom - it does not serve as the primary repository for component managers' roles and responsibilities.

The Strategic Plan defines organizational goals and direction at a high level; it does not contain the operational roles and responsibilities of portfolio component managers.

The Portfolio Management Plan is the comprehensive document that defines how the portfolio will be managed, including the roles, responsibilities, and accountabilities of all key participants - including component managers. It serves as the authoritative governance reference for decision-making authority and ownership across the portfolio, making it the correct and primary location for recording these definitions.

Portfolio Process Assets are collections of historical data, templates, and procedures; they do not store the formally defined roles and responsibilities of individual component managers.