Leadership Load and Decision Authority: Why Responsibility Expands Faster Than Control is the second paper in the Ultimate Marks Research Series exploring the structural dynamics of leadership through the Load-Bearing Leadership™ (LBL) framework. The paper introduces the concept of the Authority Gap, defined as the structural distance between the responsibility assigned to a leader and the decision authority available to influence outcomes. In modern organisations, leaders are frequently held accountable for results that depend on decisions, resources, and policies controlled elsewhere in the system. When responsibility expands faster than authority, leadership load begins to accumulate. Building on Research Paper 01, which identified structural misalignment as a key contributor to leadership burnout, this paper examines how authority misalignment functions as a primary mechanism through which leadership pressure concentrates within organisations. The paper outlines several structural consequences of the Authority Gap, including: escalation dependency within decision systems decision bottlenecks at senior leadership levels informal authority compensation through relational and emotional labour hidden leadership load accumulation over time Using the Load-Bearing Leadership framework, the paper argues that leadership strain is often a structural design issue rather than a personal capability failure. Organisational systems that distribute responsibility without corresponding authority unintentionally convert institutional complexity into individual leadership burden. The paper positions the Authority Gap as a diagnostic concept that can help organisations identify structural conditions that contribute to leadership overload, reduced decision velocity, and governance fragility. Understanding how leadership load forms within systems provides a foundation for designing leadership structures capable of sustaining responsibility, authority, and accountability under conditions of increasing organisational complexity. This paper forms part of the Ultimate Marks Research Series examining leadership load and structural alignment within complex systems. Paper 01: Load-Bearing Leadership and Organisational Burnout Paper 03: Structural Leadership Failure in High-Consequence Systems Together, these papers develop a progressive model of how leadership load emerges, concentrates, and contributes to system-level failure.