No there isnt, however the police are perfectly entitled to put whatever condition they like on your certificate,and yes it is fecking annoying,BUT demanding,breaching conditions ect is not the way forward,a polite assertive manner will get you a lot further,keep shooting your rifles,keep putting ammo through them and keep asking,presumably you have a mentor who has already signed you off as competent,so do your 12 months and get another letter from him/her stating that in there opinion you are now ready for an open certificate,ask for that,stating that you have satisfied their 12 month probat