Author-level submission quotas are increasingly used to control growing peer-review load. Recent coauthorship-sensitive quota rules improve over fixed per-author limits by reducing the quota cost of multi-author submissions, often using harmonic authorship-credit models to prevent simple author-list padding. However, these rules conflate three distinct quantities: review burden, authorship credit, and submission responsibility. As a result, they can penalize genuine solo-authored work, treat all coauthors as equally responsible for a submission, and create bottlenecks for student-led papers when a faculty advisor appears on multiple unrelated submissions. We argue that submission quotas should be designed around the responsibility structure of a paper rather than only its number of coauthors. We formalize desiderata for quota rules, including venue-load control, padding resistance, role sensitivity, solo neutrality, and student non-blocking. We then propose a role-aware quota framework that assigns author-specific quota costs based on constrained roles such as lead author, regular coauthor, and designated advisor. The framework includes fixed, per-capita, and harmonic-style rules as special or limiting cases, while allowing venues to distinguish lead authors, corresponding authors, advisors, and peripheral contributors. We show how simple role constraints can preserve resistance to manipulation while avoiding several structural disadvantages of coauthor-symmetric quota rules. Our analysis suggests that role-aware quota mechanisms provide a more faithful and flexible foundation for managing peer-review load under modern collaborative authorship.

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