---
title: "Permit-to-Work Systems (HSE HSG250 guidance) — KYE Protocol™ coverage"
description: "Permit-to-Work Systems (HSE HSG250 guidance) coverage by KYE Protocol™ — every requirement bijection-mapped to the KYE™ artefact that enforces it."
url: https://kyeprotocol.com/compliance/permit-to-work/
lang: en
source: "KYE Protocol"
---

> Permit-to-Work Systems (HSE HSG250 guidance) coverage by KYE Protocol™ — every requirement bijection-mapped to the KYE™ artefact that enforces it.

Permit-to-Work Systems (HSE HSG250 guidance)

# Permit-to-Work Systems (HSE HSG250 guidance) — 50% of in-scope requirements covered.

3 requirements · 3 in scope (3 designed). The 50% is weighted over the in-scope base.

**Source:** Permit-to-work systems as set out in UK HSE guidance HSG250 (Guidance on permit-to-work systems) and the Management of Health and Safety at Work Regulations 1999 — authorisation of high-risk work, isolation and scope control, and hand-back. KYE™ governs the authority, evidence and finality of AI-authored or AI-approved permits-to-work; KYE™ does not operate the permit system. Starter requirement set (KYE™ HSE Authority Pack™); deepen by graft. · **License:** UK HSE guidance (Crown copyright, Open Government Licence); KYE™ registry cites guidance sections for mapping purposes.

## By category

| Category | Reqs | Enforced | Designed | Advisory | Deferred | Coverage |
| --- | --- | --- | --- | --- | --- | --- |
| Authorisation — competent named authoriser | 1 | 0 | 1 | 0 | 0 | **50%** |
| Scope and isolation — bounded to authorised work | 1 | 0 | 1 | 0 | 0 | **50%** |
| Hand-back and audit — contestable and evidenced | 1 | 0 | 1 | 0 | 0 | **50%** |

## Every requirement → the KYE™ artefact that enforces it

| ID | Title | Status | KYE™ enforcement |
| --- | --- | --- | --- |
| `permit-to-work.authorisation` | Authorisation — AI-issued permit is advisory pending competent authoriser sign-off | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **dictionaries**: `internal` **constitution\_refs**: `constitution/21-DELEGATED-AUDITABILITY.md` |
| `permit-to-work.scope-isolation` | Scope and isolation — bounded to authorised work, asset and location | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **constitution\_refs**: `constitution/12-PURPOSE-PERMISSION.md` |
| `permit-to-work.handback-audit` | Hand-back and audit — contestable and evidenced | designed | **rule\_packs**: `kye:rule-pack:industrial-asset-integrity` **audit\_events**: `kye.evidence.pack.v1` **constitution\_refs**: `constitution/13-RESILIENCE-LOOP.md` |

Canonical KYE™ surfaces referenced on this page: [KYE Protocol™](https://kyeprotocol.com/).