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Posted Fri, 27 Jan 2023 04:40:09 GMT by Stirling933
Hello , One of the conditions to register for Self Assessment is if B.B.S.I. exceeds £ 10,000 in a Tax Year . Does the following count towards this figure : 1) Cash I.S.A., Interest ? 2) National Savings Tax Free Certificate, Interest ? 3) Premium Bond Prize/s ? Or can they be ignored when calculating the figure ? Any answers would be very helpful .
Posted Tue, 31 Jan 2023 12:30:46 GMT by HMRC Admin 10
Please note that Cash ISA interest, Premium Bond prizes and Tax Free National Savings are all non-taxable.                                   
Tax on savings interest
Posted Tue, 31 Jan 2023 15:26:21 GMT by Stirling933
Hello , Thank you for your reply . I am aware that the three listed categories are " Tax Free " . My question is do they have to be taken into account when calculating if over £ 10,000 has been received in Interest from UK institutions in a single Tax Year ? To be absolutely clear -- If I received £ 25,000 in Interest from Cash I.S.A.'s in a single Tax Year do I have to register for Self Assessment , yes or no . Thank you for the very much appreciated help you are offering , as a Pensioner I am worried about breaking the law .
Posted Fri, 03 Feb 2023 11:13:38 GMT by HMRC Admin 25
Hi Stirling933#,

Interest from an ISA is not taxable and is not declared on a Self Assessment tax return. 

Tahnk you. 
Posted Mon, 06 Feb 2023 05:53:37 GMT by Stirling933
Hi. I very much appreciate the time & effect the two respondents have given to my enquiry . However the question remains ; Do I need to Register ? Thank you .
Posted Fri, 10 Feb 2023 12:19:41 GMT by HMRC Admin 20
Hi Stirling933,

The interest from an ISA is not included when looking at the £10,000 limit for interest.
If your interest, other than ISA, is over £10,000 then yes you need to register for self assessment.

Thank you.

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