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How to register as a software developer with HMRC.
Check a list of software developers who can provide Customs Declaration Service and Customs Handling of Import and Export Freight (CHIEF) software.
If you're a software developer, use the HMRC Developer Hub to learn about and integrate your applications with our RESTful APIs.
Technical specifications for software developers working with the PAYE online service.
List of software developers to get help with entry summary declarations (safety and security declarations for imports).
Use this list to find individual software suppliers and commercial products to use to file online with HMRC online services.
Find technical specifications and schemas for National Export System (NES) XML channel software developers.
Find technical specifications for Alcohol and Tobacco Warehousing Declaration (ATWD) software developers.
Following the UK-Nepal development portfolio signed in Kathmandu, Minister Mitchell set out how the UK will work with Nepal to help mobilise development funding.
Call or email HMRC to get technical information and support if you're a software developer
This document and its annexes set out the original terms of collaboration between HMRC and software developers.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Yemen.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Small Island Developing States (SIDS).
How to apply for a letter of approval from the Environment Agency to participate in CDM and JI projects.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Kazakhstan.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Kyrgyzstan.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Tajikistan.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Kenya.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Uzbekistan.
An overview of Foreign, Commonwealth & Development Office (FCDO) development activity with Myanmar.
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