You have helped me with this info in the past, but on the last occasion with an unfair £80 fine at an M6 Moto service station, they refused my offer of £10. I then wrote to Moto head office directly and informed them that I would ban my salesforce from attending any of their service areas as well as passing this advice to a trade body that I am a member of; no idle threat I hasten to add. The response was very positive and the fine was cancelled.