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Guidance: Self Assessment technical specifications for software developers

Transaction Engine: support for software developers

How to use the test service version 1.0

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Non form validation rules version 1.1

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HMRC(IR)mark: support for software developers

Accessible characters version 1.0a

This file is in an OpenDocument format

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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.

Copy declaration version 1.0a

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.

Transaction Engine: support for software developers

How to use the test service version 1.0

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.

Non form validation rules version 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.

HMRC(IR)mark: support for software developers

Accessible characters version 1.0a

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.

Copy declaration version 1.0a

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.