[mjevans]

Maybe something like:

If a property is vacant for 6 or more months out of a year, the (government regulating this) can forcefully change the 'offered' terms to be as good as the best for any active lease's term item among all leases within 10 miles, and also go beyond with up to 50% discounts on any monetary restrictions imposed in those terms. This includes deposit and lease rate.

The former part is to break unusually onerous terms that might exist which I'm not aware of. The latter is the club to encourage flexibility and settling on not long term national retail clients.