# HAL Evidence Checklist

> Domain 05: Evidence. Every decision and action must be recorded and reconstructable.
> Use this checklist to confirm an agentic system produces a defensible record.

**System:** ___________________________   **Owner:** ___________________   **Date:** ___________

## For every action, the record captures
- [ ] The inputs the decision was made on
- [ ] The output / action taken
- [ ] The reasoning or contributing factors
- [ ] The model identifier and version
- [ ] The prompt / configuration version
- [ ] The authority invoked (which permitted action)
- [ ] The confidence or score, where applicable
- [ ] Any human touchpoint (review, override, approval) and who performed it
- [ ] A timestamp

## Record integrity
- [ ] Records are immutable (cannot be silently edited)
- [ ] Records are tamper-evident
- [ ] Records are time-synchronised to a trusted source
- [ ] Access to records is itself logged

## Retention & retrieval
- [ ] Retention period meets the relevant legal / regulatory requirement
- [ ] Records are queryable by case, customer, and time range
- [ ] A single decision can be fully reconstructed on request
- [ ] Export format is suitable for regulators / auditors

## Sign-off
Reviewed by: ______________________   Role: ______________________   Date: ___________

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Part of the HAL Governance Toolkit. hal.orchestrate.legal