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IECEx Rules

The administration of the IECEx System is governed by the IECEx Rules which are available for free.

Review date is the due date for the next Review.

Download List

Document Number Title Publication date Owner Review date
IEC-CA-01

IEC Conformity Assessment Systems – Basic Rules Ed. 5.0

iecca01ed5.0.RLVen
2025-10-13 IEC CAB 2030-10-13
IECEx 01-S

IECEx Supplement to IEC Conformity Assessment Systems -
Basic Rules IEC CA 01

 2025-06-17 IEC CAB 2030-06-17
IECEx 02 New

IEC System for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx System)IECEx Certified Equipment Scheme covering equipment for use in explosive atmospheres – Rules of Procedure (Ed 9.0 Posted 2026-03-25)

IECEx 02,Ed9.0 RLV
2026-03-25 ExMC Delegated to ExMC WG1 2031-03-25
IECEx 03-0

IECEx Certified Service Facilities Scheme Part 0: General Rules of Procedure
This publication is directly related to the IECEx Basic Rules (comprising IEC CA 01 and the IECEx Supplement IECEx 01-S) and provides structure for, and a link to subordinate Rules that relate to specific service activities within the IECEx Certified Service Facilities Scheme.(Ed.2.0)

IECEx 03 0 Ed2.0 RLV
2024-12-16 ExSFC 2029-03-01
IECEx 03-2

IECEx Certified Service Facilities Scheme – Part 2: Selection of Ex equipment and design of Ex installations – Rules of Procedure (Ed. 2.0)

IECEx 03 2 Ed2.0 Text RLV
2023-12-11 ExSFC 2029-03-01
IECEx 03-3

IECEx Certified Service Facilities Scheme – Part 3: Ex installation and initial inspection – Rules of Procedure (Ed. 2.0)

IECEx 03 3 Ed2.0 RLV Text
2023-12-11 ExSFC 2029-03-01
IECEx 03-4

IECEx Certified Service Facilities Scheme – Part 4: Ex inspection and maintenance – Rules of Procedure (Ed. 4.0)

IECEx 03 4Ed4.0 RLV
2023-12-11 ExSFC Delegated to ExSFC WG4 2029-03-01
IECEx 03-5

IECEx Certified Service Facilities Scheme – Part 5: Repair, overhaul and reclamation of Ex equipment – Rules of Procedure (Ed. 2.0)

IECEx 03 5Ed2.0 Text RLV
2023-12-11 ExSFC Delegated to ExSFC WG5 2029-03-01
IECEx 04

IEC Scheme for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx Scheme) - IECEx conformity mark licensing scheme – Rules

IECEx 04 Ed 2.0.RLVen
2021-03-29 ExMarkCo 2026-03-28
IECEx 05

IEC System for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx System) IECEx Scheme for Certification of Personnel Competence for Explosive Atmospheres – Rules of Procedure (Ed 5.1)

IECEx 05 Ed5.1 Text RLV
2025-09-23 ExPCC delegated to ExPCC WG1 2030-09-23
IECEx 06

This publication is directly related to the IECEx Basic Rules (comprising IEC CA 01 and the IECEx Supplement IECEx 01-S) and provides details concerning the structure, membership and terms of reference of the IECEx Assessment Group, (ExAG). (Ed.2.0)

IECEx 06 Ed2.0 Text RLV
2023-12-11 ExMC Delegated to ExAG 2028-12-11