Claim/Case List Appearance Options

In the list appearance options of the Claim/Case list window in Premium, I would love the option to have "Restrict Slip Entry" as an available field to select. I use this feature on cases that are technically closed but have open A/R balances. This prevents new slips from being entered on cases that we have not yet been able to move to "inactive" or "closed" classification. Enabling this option as a selectable field in the list appearance would then allow me to quickly sort the case list by those cases I have the restriction set on rather than running a report. Thank you! Nick