I bought a car in May 2016, paid the road tax by direct debit, in October 2017 I got stopped by the police for having no road tax. The dvla had taken out money for a year but hadn’t received the new owners registration details(mine) so had suddenly stopped taking out the money in may 2017, they didn’t notify me or anyone as they said they had no contact details, despite me having to give them so to set up the direct debit. I immediately paid the back tax and the rest of the year, apologised . Now I have been fined £173. Do I pay or appeal?