In CForce

1. Click "Edit Merchant Details"

2. Set Status to "Closed"

3. Select the Closure Reason

In Backoffice

1. Search the MID in "Nexio Accounts"

2. Click on the MID

3. Uncheck "Account is Billable" (under Account Info)

Make sure to attach both ticket & scanned docs for the requested closure(s) in Cforce as well.