May I submit the Accepted Manuscript or the Final Published Version of a gold open access article published under a CC BY licence to arXiv.org or another repository?

Yes, both the Accepted Manuscript and the Final Published Version of articles published under a CC BY licence can be shared elsewhere online. This includes submitting either article version to arXiv.org, or another repository. When sharing an article that is subject to a CC BY licence, you must make sure you include attribution to the authors, the journal citation and notice of the CC BY licence. For full licence terms and attribution requirements, please refer to the CC BY licence on the Creative Commons website. When sharing the Accepted Manuscript version, the following wording should also be included:

‘This is the Accepted Manuscript version of an article accepted for publication in [NAME OF JOURNAL].  IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it.  This Accepted Manuscript is published under a CC BY licence. The Version of Record is available online at [insert DOI].’