SMS scope change

Answer:
Sure, you can change scope of the SMS. That's even, in some particular cases, advisable. For example, large organization, complex (service/technology) landscape, etc. Rule is - start small and expand in a pace you can control.
There is a negative size of a s "small" scope - many elements are external to the SMS. So, you have to decide where to start and how to expand.

Here is the article to help you with the scope " How to define the scope of the SMS in ISO 20000" https://advisera.com/20000academy/blog/2015/06/02/how-to-define-the-scope-of-the-sms-in-iso-20000/

When changing the scope, you need to talk to your certification body and get an agreement i.e. confirmation from them.