Cost accounts can help you keep track of how you are spending your money on postage by allowing you to assign a trackable cost category to shipping labels and postage refills.
Only Admins and Location Admins have the ability to enable, add, edit, import, export, and deactivate cost accounts. Admins can determine whether Location Admins can access the Cost Account settings.
To enable or require cost accounts:
UPDATED: January 25, 2021