Policy Evaluation Contract

Status: draft
Version: 0.1.0

Purpose

Define the input and output contract for policy evaluation before issuance, transfer, settlement, or authorization.

Inputs

• subject id
• instrument id
• venue id
• action type
• quantity
• effective timestamp

Outputs

• decision
• deny reasons
• matched rule ids
• audit reference

Phase H runtime note

Phase H extends the controlled runtime with Guard policy surfaces:

• policy set registration
• policy evaluation requests
• durable policy receipts
• Gateway preflight checks that can block instruction recording when an allow receipt is missing