I always thought you can only claim tax back if you pay it on the item.
Eg: Product A: £4 no vat = you can't claim it.
Product B: £4 + 20% VAT = you can claim the 20% back.
In our website if we use EUR with error reporting disabled we get a empty fields
https://blesta-addons.com/order/main/packages/subscription/?group_id=7&currency=EUR
Fixed with unchecking Use Package Pricing for New Services Only ?
not sure why it was checked, maybe one of our staff has checked it !!!!
Only thing I can think of - Create a department for the Staff member, then change a ticket's department when you want to assign it to them. The Staff member will not see any tickets in departments that they are not part of. Easiest way to limit what a Support Staff member sees.