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Guidance: Self Assessment technical specifications (2023) for individual returns

Tax and National Insurance contributions calculation version E ― version 2.1.1

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Stage 13 (Payments on Account) Tax and National Insurance contributions calculation version 1.0.0

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.


Request an accessible format.

If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email different.format@hmrc.gov.uk.
Please tell us what format you need. It will help us if you say what assistive technology you use.

Tax and National Insurance contributions calculation version E ― version 2.1.1

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.


Request an accessible format.

If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email different.format@hmrc.gov.uk.
Please tell us what format you need. It will help us if you say what assistive technology you use.

Stage 13 (Payments on Account) Tax and National Insurance contributions calculation version 1.0.0

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.


Request an accessible format.

If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email different.format@hmrc.gov.uk.
Please tell us what format you need. It will help us if you say what assistive technology you use.