Institutional Settlement Stewardship is a canonical interpretive work governing how institutions reason about reliance on settlement outcomes under conditions of uncertainty, dependency, and scale. This work is non-binding, non-regulatory, non-operational, and jurisdiction-neutral. It does not create authority, establish law or policy, prescribe controls or procedures, define compliance obligations, or authorize enforcement, adjudication, or certification. The volume governs interpretive judgment, not outcome determination. It defines how institutions exercise responsibility when reliance on settlement outcomes is unavoidable, yet legitimacy remains uncertain. This work has no independent authority. Its validity and scope depend entirely on its relationship to: Settlement Before Scale — Doctrinal foundation (WHY) Institutional Settlement Integrity Framework (ISIF) — Constitutional conditions (WHAT) Where conflict appears, doctrine and constitution prevail. This work may interpret but may not modify, extend, or override them. Institutional Settlement Stewardship provides no remedies, corrective instructions, implementation guidance, or prioritization rules. Interpretation does not resolve legitimacy failure; it governs judgment before failure becomes structural. This volume functions within the Settlement Before Scale corpus as the interpretive layer (HOW), positioned between doctrine and adjudication. Where constitutional conditions fail, interpretation must yield to judgment.