Currently, there is no specific deadline mentioned for submitting photo evidence of environmental crimes in Hull. You are encouraged to keep any photos, dashcam, mobile video, or CCTV footage safe until you are asked to provide it to an enforcement officer.
If you have footage, it's best to report it as soon as possible to ensure swift action. You can report by calling 01482 300 300 or using the appropriate reporting form online: report environmental crime footage.