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  • How do I challenge the outcome of my self assessment

    I started the self assessment route on advice from my company 3 years ago to claim the difference in fuel allowance paid against what was set by HMRC. The first year i had a successful, claim, the 2nd year they somehow took it back again! I am now in the 3rd year and i am directly employed with a single income taxed at source as PAYE, yet on completion i seem to owe over £1500. How do I challenge this? i tried phoning, got passed on twice with an hours wait and then they hung up on me. I am told I need to write to them but cannot find an address.