Leicestershire force will not condition ANY rimfire for fox as I was cosidering adding a WMR barrel to my Quad, they will only allow "downwards" capability rather than upwards with regard to HO guidelines. So they'd allow vermin for CF and will condition a .22 hornet for vermin, ground game and fox.
My brother frequently shoots with me in leicester, his ticket is issued by Devon and Cornwall. His rimmies are conditioned vermin, ground game and fox. So you can guess who takes the shot when he's with me.
EDIT: I have a recently opened ticket for air, LR and HMR, the Hornet would only