You must define the scope of your Quality Management System - what parts of the organization are included in the QMS. Some organizations with multiple functions (service and production) may choose to only include certain parts of the organization within the scope of the QMS, with a plan to add other areas later on.
The QMS scope should include:
This will also assist your Registrar estimate the length of your audit, and is particularly useful for those organizations with multiple Management Systems (ISO 9001 and AS9100, etc.)