Final answer:
The Liaison Officer should provide relevant updates and coordinate efforts to the Agency REP.
Step-by-step explanation:
The Liaison Officer plays a crucial role in facilitating communication between different agencies or organizations. When providing information to the Agency REP, the Liaison Officer should focus on sharing relevant updates, coordinating efforts, and ensuring effective collaboration. This can include sharing important data, project updates, deadlines, and any other pertinent information that can help the Agency REP fulfill their responsibilities.