how old do you have to be to show a middle weight hunter at county level ?

[jackie ribbon]

my 14yr old daughter wants to show a middle weight hunter a county level next season, in april she will turn 15, is there an age limit to show one, would she be able to show him ?
Thanks

 

[Oldenburg27]

15 years old under SHB rules.

Its the same for Hack, Riding horse