ISO 45001: 2018 will be released in March 2018.

International Accreditation Forum (IAF) has printed following manadatory documents for assistance of users of ISO 45001: 2018:
a) IAF MD 21:2018 Requirements for the Migration to ISO 45001:2018 from OHSAS 18001:2007;
b) IAF MD 22:2018 Application of ISO/IEC 17021-1 for the Certification of Occupational Health and Safety Management Systems (OH&SMS)

IAF MD 21: 2018
This document provides requirements for the migration from OHSAS 18001:2007 to ISO 45001:2018 and has been prepared by the International Accreditation Forum (IAF) in cooperation with the OHSAS Project Group and ISO to provide advice to interested
parties on migration arrangements to be considered before implementing ISO 45001. It
identifies activities which shall be considered by relevant interested parties and
increases understanding of the context of ISO 45001.
These migration requirements apply only for migration of OHSAS 18001:2007 to ISO
45001:2018 by the same Certification Body.
Relevant interested parties who will benefit from this document include:
i) Organizations certified and/or using OHSAS 18001:2007.
ii) Accreditation Bodies (AB’s).
iii) Certification Bodies (CB’s).
iv) Legislators and Regulators.
v) Trade/Contracting/Procurement Boards.
vi) Workers.
vii) Society.

IAF MD 22:2018
This documents is mandatory for the consistent application of ISO/IEC 17021-1:2015 for the accreditation of Certification Bodies providing certification of Occupational Health and Safety Management Systems (OH&SMS). All clauses and Annexes of ISO/IEC 17021-1:2015 continue to apply and this document does not supersede any of the requirements of that standard. This document not only applies for certification to OHSAS 18001 but shall also be used for certification to other OH&SMS such as the upcoming ISO 45001 and other standards. National legislation will prevail in case of conflict with this document.

This document also includes five mandatory appendices which introduce specific OH&SMS requirements to the following ISO, IAF and EA documents:

 

Appendices Source document
Appendix A – Specific Knowledge and Skills
for Certification Functions in OH&SMS
Annex A of ISO/IEC 17021-1:2015
Appendix B – Determination of Audit Time of
Occupational Health and Safety
Management Systems
IAF MD5:2015
Appendix C – Legal Compliance as a Part of
Accredited OH&SMS Certification
EA-7/04 M:2017
Appendix D – Scope of Accreditation  IAF-ID1:2014
Appendix E – Witnessing Activities for the
Accreditation of OH&SMS Certification
Bodies.
IAF MD17:2015

This document follows the structure of ISO/IEC 17021-1:2015.