Procedure for determining context of the organization

Yes, the procedure for determining the context of the organization is not mandatory. Please, check this article - List of mandatory documents required by ISO 9001:2015 - https://advisera.com/9001academy/knowledgebase/list-of-mandatory-documents-required-by-iso-90012015/

The following material will provide you information about the context of a quality management system:

• How to identify the context of the organization in ISO 9001:2015 - https://advisera.com/9001academy/knowledgebase/how-to-identify-the-context-of-the-organization-in-iso-90012015/
• Free webinar - ISO 9001:2015 clause 4 - Context of the organization, interested parties, and scope - https://advisera.com/9001academy/webinar/iso-90012015-clause-4-context-of-the-organization-interested-parties-and-scope-free-webinar-on-demand/
• Enroll for free course - ISO 9001:2015 Foundations Course - https://advisera.com/training/iso-9001-foundations-course/
• Book – Discover ISO 9001:2015 Through Practical Examples – https://advisera.com/books/discover-iso-9001-2015-through-practical-examples/