Self Assessment Online - Technical Packs for Software Developers
Note. These packs contains documentation required to support the development of software for the electronic submission of Self Assessment Tax Returns over the Internet.
The packs are aimed at software developers only and not for individuals etc who may in due course wish to use the Online Services for Self Assessment.
As the contents of this pack are frequently updated please check the website regularly to ensure that you are working to the most up to date version.
To view a PDF document you must have a PDF reader installed on your computer. Adobe Reader is provided for download.
The Software Developers Support Team host annual vendor forums. If you have advised us that you are interested in developing a product and we hold up to date contact details for you an invitation to these events will automatically be sent. These forums are your opportunity to hear the latest news/developments in a particular area and to discuss further with representatives from HM Revenue & Customs (HMRC) and technical partners. The minutes of previous meetings can be found here:
For information, the Agent Authorisation technical pack is now available. This contains documentation required to support the development of software for the online filing of Agent Authorisation requests over the Internet.
| Name | Description |
|---|---|
Test Data and Technical Specifications for Software Developers |
|
Test Data and Technical Specifications for Software Developers |
|
Test Data and Technical Specifications for Software Developers |
