If you're experiencing difficulties with a department not appearing while creating a purchase request, follow these steps:
Navigate to 'Settings' and select 'Billable Companies.'
Locate your billable company's name and click on it.
Scroll down to the 'Departments' section and ensure the relevant department is checked to make it visible during purchase request creation.
Don't forget to click 'Save' at the top of the screen to apply the changes.