Thank you very much for your quick response. I have all of mine P60 forms that I am hoping to use.

Hello I am a Czech national and have been in a full time employment for more than 5 past years. Unfortunately I did claim working tax credits for more than 6 months as hmrc refused to stop paying me when I told them about a new job in 2012 and asked them for a withdrawal. I got overpaid in the tax y...