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List of software developers to get help with entry summary declarations (safety and security declarations for imports).
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
You can use software to file your company accounts, file changes to your…
Companies House has tested the software listed. You should consider which…
Companies House has tested and authorised software for filing information…
Specifications and guidelines for Real Time Information internet submissions and for the outgoing Data Provisioning Service.
Find out how to import your personal belongings, pets and private motor vehicles when moving or returning to the UK.
Get help classifying computers, inkjet and toner cartridges and their components.
Information for developing and testing of software for HMRC forms, returns and messages.
Find technical guidance, error messages and support for the Excise Movement and Control System (EMCS).
Find technical specifications and schemas for National Export System (NES) XML channel software developers.
Technical specifications for software developers working with the PAYE online service.
Technical specifications for New Computerised Transit System (NCTS) software developers.
How to manage configuration: open source tools, writing infrastructure in code, portability.
Publish your code and use open source to improve transparency, flexibility and accountability.
Use this list to find individual software suppliers and commercial products to use to file online with HMRC online services.
Find Document Submission Protocol guidance for architects, software developers and other parties interested in building Transaction Engine client applications.
The contracts will develop innovative software to provide a robust, secure and automated satellite control system for future UK MOD satellites.
Technical specifications for software developers working with the Agent Authorisation Online service.
Find technical specifications for Alcohol and Tobacco Warehousing Declaration (ATWD) software developers.
Technical specifications for software developers working with the EC Sales List online service.
Manage your dependencies to keep code up to date, your system secure and your service working as intended.
List of companies who advised the New Computerised Transit System project team of their intention to develop commercial software solutions for NCTS.
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