Requirements from interested parties for working in public places

Answer:

Employee working in a public place is not an interested party, because he/she is part of your company - this person will have to comply with the security policies and procedures that your company develops. Therefore, the security requirements will come from within your company, n ot from an interested party.

By the way, you will be able to define the security rules for an employee working in public place after you perform the risk assessment and treatment, this article will explain you the concept: The basic logic of ISO 27001: How does information security work? https://advisera.com/27001academy/knowledgebase/the-basic-logic-of-iso-27001-how-does-information-security-work/

To learn more about interested parties read these articles:
- How to identify interested parties according to ISO 27001 and ISO 22301 https://advisera.com/27001academy/knowledgebase/how-to-identify-interested-parties-according-to-iso-27001-and-iso-22301//
- How to identify ISMS requirements of interested parties in ISO 27001 https://advisera.com/27001academy/blog/2017/02/06/how-to-identify-isms-requirements-of-interested-parties-in-iso-27001/

These materials will also help you regarding security controls:
- Book Secure & Simple: A Small-Business Guide to Implementing ISO 27001 On Your
Own https://advisera.com/books/secure-and-simple-a-small-business-guide-to-implementing-iso-27001-on-your-own/
- Free online training ISO 27001 Foundations Course
https://advisera.com/training/iso-27001-foundations-course/