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Posted Sun, 29 Jan 2023 18:00:51 GMT by dcarter213
Has anyone else experienced a mismatch between their tax return amount, and balancing payment? Mine is showing be a balancing payment around £700 higher than my tax return for 21/22? There is no previous tax owed and no penalties on my account. The breakdown for my return gives me an amount due by the 31st of Jan, and then the pay now option is £700 higher?
Posted Tue, 31 Jan 2023 17:27:31 GMT by HMRC Admin 18

We could not confirm without accessing your record, however you may be due to pay Payments on Account.

Understand your Self Assessment tax bill

Thank you.
Posted Tue, 31 Jan 2023 18:39:39 GMT by dcarter213
Thank you, I have received my tax calculation in the post, turns out I had not separated my SEISS payment from the overall income. I have rectified my self assessment tax return now to reflect this, do I still need to file an appeal for the original calculation? I have already paid the initial calculation, which is obviously an overpayment. Do I need to request a refund for the overpayment?
Posted Fri, 03 Feb 2023 14:02:46 GMT by HMRC Admin 25
Hi dcarter213,

If you have amended the return and submitted this, a revised calculation will be generated.

If you contact our helpline 72 hours after submitting your tax return, we will be able to start the refund process:

Self Assessment: general enquiries

Thank you. 
Posted Sat, 18 Nov 2023 23:42:09 GMT by EMMA WARD
Am I able to ask a question on this forum about an anomaly between my self assessment submission calculation and Tax Year overview please? Thank you.
Posted Sun, 19 Nov 2023 00:05:05 GMT by EMMA WARD
Hi, last week I submitted my 2022/23 self assessment return online and the View Your Calculation was £721.60 less payments on account that I made towards the tax year in 2021/22 return, but this morning when I logged in to pay the Tax Year overview was £969.60 and I do not understand why. In addition, there is an interest charge of £14.63 and I do not know what this is for as I have always made sure that I settle tax payments early - 2nd January for a 31st January deadline. The HMRC site also indicates that the payment iss overdue despite the deadline being 31st January 2024. I am very worried about all this and would appreciate any help that you are able to provide. Thank you.
Posted Thu, 23 Nov 2023 10:14:04 GMT by HMRC Admin 25
We would need to access your record to check on this for you.
You can contact HMRC at:
Self Assessment: general enquiries
Thank you. 
Posted Thu, 23 Nov 2023 13:20:28 GMT by EMMA WARD
Many thanks. I contacted HMRC and it's now sorted.

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