A Decision Brief is a formal decision gate applied to a specific, irreversible commitment. It determines whether proceeding, deferring, or refusing a proposed action is admissible and defensible under stated constraints and available evidence.
Decision Briefs exist for situations where acting, waiting, or stopping will shape outcomes that cannot be undone. In these contexts, analysis and optimization are insufficient. What matters is whether a commitment should be allowed at all given irreversibility, uncertainty, and downstream consequences.
Decision Briefs govern the decision to commit. Refusal and deferral are valid outcomes.
A Decision Brief is appropriate when a proposed action creates irreversibility in the context of uncertainty.
This includes situations where physical construction cannot be reversed without prohibitive cost, regulatory or permitting paths foreclose alternatives, capital deployment locks in sequencing, or uncertainty can be resolved only after action is taken.
In these cases, acting early may destroy more value than acting late. Waiting may be the correct decision. Stopping may be the only defensible one.
If a decision remains fully reversible, or if authority to act is unclear, a Decision Brief is not appropriate.
We govern irreversible physical systems, protecting clients from destroying value by decisions to commit made too soon. We prevent sunk costs across site anchoring, technology lock-in, program escalation, first-of-kind deployments, and decisions that establish precedent or foreclose future options.

Required entry point
The Pre-Commitment Screen determines whether a proposed action is eligible for decision governance.
It confirms that:
Outputs: Eligible · Deferred pending clarification · Not admissible
The Pre-Commitment Screen must clear for work to continue and a Decision Brief to be issued.

Non-binding orientation
The Governance Orientation Review frames the decision environment before adjudication.
It surfaces:
No determination is issued. No recommendation is made. This stage orients but does not to validate action.

Core adjudication
The Decision Adjudication Review is where governance judgment is exercised.
It evaluates whether proceeding, deferring, or refusing the proposed commitment is admissible under irreversible physical, regulatory, capital, and governance constraints, using failure-mode-first reasoning and plausible-world evaluation.
This is the only stage that produces a Decision Brief.
Decision outcomes: Proceed · Defer · Refuse

Independent check
Decision Validity Review is an independent check conducted prior to issuance of any Decision Brief.
It verifies:
DVR does not evaluate outcomes or recommend alternatives. A Decision Brief may not be issued without DVR clearance.

Post-decision durability
Decision Record Hardening formalizes and preserves the issued decision rationale.
It documents:
This record is auditable, reconstructible, and designed to endure scrutiny over time. For smaller decisions, DRH may be merged into the Decision Brief itself.

Optional, ongoing
The Standing Authority Guardrail establishes a governance boundary after a decision has been issued.
It prevents:
This stage is used selectively for high-stakes or long-horizon commitments.
A Decision Brief is the issued, authoritative decision instrument resulting from adjudication.
Each Decision Brief records one of three outcomes:
Proceed • Defer • Refuse
Along with a written rationale documenting irreversible constraints, uncertainty, and what would need to change for the decision to be revisited.
There is one Decision Brief per adjudicated decision.
Sustainable Exploration engages only under the following conditions:
1. A named, live decision exists
2. Decision rights are explicit or delegated
3. Proceed, defer, and refuse are all acceptable outcomes
If these conditions are not met, no engagement occurs. This boundary is non-negotiable. It preserves decision integrity and refusal authority.
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