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Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Specifications and guidelines for Real Time Information internet submissions and for the outgoing Data Provisioning Service.
Guidance on APIs and how to find commercial software suppliers for different HMRC online services.
How to register as a software developer with HMRC.
Information for developing and testing of software for HMRC forms, returns and messages.
Find recognised software suppliers that provide internet filing enabled software for Excise Movement and Control System (EMCS).
Find technical guidance, error messages and support for the Excise Movement and Control System (EMCS).
Details of the approved commercial suppliers who provide software to complete some Inheritance Tax forms.
How to manage configuration: open source tools, writing infrastructure in code, portability.
Technical specifications for software developers working with the EC Sales List online service.
Technical specifications for software developers working with the Agent Authorisation Online service.
Technical specifications for developing software to send information to Companies House digitally.
This project has shown the need for effective software standards in FCERM and has made progress towards identifying a future framework for RASP system architecture.
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
How to apply to provide digital technologies under the Help to Grow: Digital scheme if you're a software vendor.
Minutes of the Self Assessment software developers forum.
This working paper evaluates the effect of student economic outcomes of an entrepreneurship education reform in Rwanda.
This document and its annexes set out the original terms of collaboration between HMRC and software developers.
Income Tax and National Insurance changes from the Autumn Statement 22 November 2017 and Scottish Draft Budget 14 December 2017.
This update relates to Autumn Statement 3 December 2014.
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