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The Integrative Process is iterative: early discovery must be captured and carried forward. Updating the Owner’s Project Requirements (OPR) and Basis of Design (BOD) with explicit targets (e.g., EUI, lighting power density, ventilation setpoints, indoor/outdoor water budgets) keeps teams aligned as designs progress. Embedding these targets in project specifications—controls sequences, trend logs, metering requirements, acceptance criteria—makes them contractually enforceable. Regular design milestone reviews with the commissioning authority (CxA) verify that drawings and specs still satisfy the OPR and that risks are addressed before procurement. Relying solely on prescriptive lists ignores beneficial tradeoffs revealed by early modeling. Vendor-driven “optimization” can conflict with project-wide synergies and may prioritize first cost over lifecycle performance. Post-occupancy surveys are valuable, but they cannot substitute for integrating performance targets into design and construction documents. Documented targets, enforceable specs, and third-party verification are the backbone of integrative delivery and smoother LEED documentation.