Name specific inputs
List content, brand files, credentials, data, legal approvals, stakeholder access, and existing technical material.
Specify acceptable formats and due dates when preparation affects the work.
Assign decision authority
Identify one person who can approve direction and consolidate comments from other stakeholders.
State the feedback window and what happens when comments conflict or arrive late.
Connect actions to timing
Explain which milestones depend on each client action and how late inputs move the schedule.
Use a written pause and restart process when a delay releases reserved capacity.