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  • RE: P800 Tax Due - How to pay

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  • RE: P800 Tax Due - How to pay

    Hi, Last year I had £92 due simple assessment tax which I paid on time. This year last week I got p800 due tax letter in my hmrc online inbox that states I owe £1,261.60. By mistake I paid the money online via simple assessment payment link and put my last year’s simple assessment charge reference. What should I do now? Thank you