A Notice of Intended Prosecution is not applicable in this case. I also find it hard to believe that your friend could have "forgotten" to renew his insurance cover before driving a motor vehicle on a road or other public place, because Insurance Companies are obliged to write to the Policyholder in the first instance at least one month before a policy expires, and it is for certain that this will have been done. No excuses there !! The offence of driving without insurance is triable summarily and is punishable with a fine and/or discretionary disqualification.