My ex has put in a CMS Reconsideration and it's been accepted as somehow their salary has more than halved from HMRC's original figure in April. I know that they've not reduced their hours, are in the same employed job with the same company, so the only logical explanation can be they've paid a huge lump sum into the pension (from savings!). This is clearly to avoid CMS as if they had been doing this previously the HMRC figure would have shown it. It has reduced CMS payments by 50%.
Has anyone managed to successfully challenge excess contributions and if so how did you do it? I think they must be paying 60% of salary into a pension which I can only dream of doing!