Your experience with HMRC's data discrepancies is alarming, to say the least. The inconsistencies in your National Insurance contributions record are staggering, and it's unacceptable that you're having to chase them down.

As someone who's worked with Citizens Advice and a local MP, your insight into HMRC's inner workings is invaluable. Your warning to others to stay on top of their records and challenge any discrepancies is well-timed and crucial.