How this site works
Every page follows the same shape, because when you are worried you should not also have to learn a new layout. It opens with a short, honest answer. Then it explains what the document is, whether it is automated, what your options are, the amounts and deadlines, whether the letter can be left alone, and how a challenge works where one exists.
Figures are the part people get wrong, so they are handled carefully here. Each amount and deadline comes from the issuing body's own published guidance, and the link to that guidance sits at the bottom of the page. Where an official source does not publish a figure, this site says so and points you at the number printed on your own letter rather than inventing a general one. Charges change, so the review date matters as much as the number.
There is one thing you will not find here: encouragement to ignore a letter. Most of these documents are produced automatically, which is reassuring in the sense that nobody has judged you — and precisely why silence does not help. An automated process escalates on a timetable and cannot learn that you sold the car, that your exemption certificate was valid, or that you were never the driver. Saying so, in time and with dates, is almost always the better move.
Check My Letter is independent. It is not connected to any government department, local authority or enforcement body, and it cannot deal with your case for you. It is general information, not legal advice. If your situation is complicated or a lot of money is involved, Citizens Advice and qualified advisers exist for that, and the issuing body's own contact details are on your letter.
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