180_187 interference 187. The Court reiterates again that the principle of discretionary prosecution leaves States considerable room for manoeuvre in deciding whether or not to institute proceedings against someone thought to have committed an offence (for instance, in relation to non-compliance with the rules concerning public assemblies) and, more generally, whether a certain action or omission should be subject to prosecution by way of criminal or other proceedings (see the cases cited in paragraph 125 above). With due regard to the above considerations, clear and reasonable procedural requirements to be observed in relation to a public event and penalties for breaching those requirements are both capable of being in conformity with the requirements of necessity and proportionality under Articles 10 or 11 of the Convention (see, for this approach, Kudrevičius and Others [GC], cited above, §§ 147-49).