Assessing risks and opportunities

While there is no mandatory timeline in ISO 45001 for risk and opportunity assessment, it is common to have this done as part of management review on a cycle or 3, 4 or 12 months. The important thing to consider for your company is how often do the risks and opportunities in your industry and location change. If there are highly changing risks and opportunities in your industry, then more frequent review is a wise decision. In many cases a 4 month review cycle is likely adequate.

You can read a bit more on risk and opportunity in the OHSMS in the article: What are the new requirements for risks and opportunities according to ISO 45001?, https://advisera.com/45001academy/blog/2018/04/25/what-are-the-new-requirements-for-risks-and-opportunities-according-to-iso-45001/