ISO 9001 Support Documents for Business Continuity Management

ISO 9001:2015 does not require Business Continuity Management. However, due to an explicit customer requirement or due to a risk analysis outcome an organization can decide to do Business Continuity Management.

Some years ago, working as a consultant for a subcontractor of an electric power company, we had to apply Business Continuity Management to minimize disruption during and after important storms. We used as a basis for work ISO ISO 22301. In this article - The basics of ISO 22301 - https://advisera.com/27001academy/what-is-iso-22301/ - you can see that the 2019 version has a similar structure to ISO 9001:2015. Although not mandatory, as you can see in the article, a good disruption risk determination register and its assessment and business continuity plans seem to me very important for learning and improvement. Perhaps this other article could be useful for you - 17 steps for implementing ISO 22301 - https://advisera.com/27001academy/knowledgebase/17-steps-for-implementing-iso-22301/22301/iso-22301/