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Data, Freedom of Information releases and corporate reports
What you need to do as a developer to meet biodiversity net gain (BNG) requirements.
Specifications and guidelines for Real Time Information internet submissions and for the outgoing Data Provisioning Service.
List of developers who have pledged to commit to remediate life critical fire safety works in buildings over 11 metres.
Check a list of software developers who can provide Customs Declaration Service and Customs Handling of Import and Export Freight (CHIEF) software.
This factsheet provides a summary of key information about the contract for residents living in buildings where developers have pledged to remediate historic fire safety defects.
Information for developing and testing of software for HMRC forms, returns and messages.
How developers can create and enhance habitat on-site to deliver biodiversity net gain (BNG).
Technical specifications for software developers working with the PAYE online service.
Guidance on APIs and how to find commercial software suppliers for different HMRC online services.
A collection of guides to support the development of combined heat and power (CHP) installations.
Provides practical advice on making developments better for people and the environment.
Government wrote to developers on 30 January 2023 asking them to sign a contract committing them to remediate unsafe buildings which they developed.
Use this list to find individual software suppliers and commercial products to use to file online with HMRC online services.
This code of practice sets out minimum security and privacy requirements for app store operators and app developers.
How can communications network operators best work with property developers?
Support and technical specifications for software developers working with the Self Assessment online service.
Find technical specifications for software developers working with the Corporation Tax online service.
How to register as a software developer with HMRC.
Find technical guidance, error messages and support for the Excise Movement and Control System (EMCS).
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